diff --git a/isocodes/__init__.py b/isocodes/__init__.py
index d2cbdd3b..9193ee12 100644
--- a/isocodes/__init__.py
+++ b/isocodes/__init__.py
@@ -2,10 +2,10 @@
 import json
 import os
 import sys
-from typing import Dict, Generator, List
+from typing import Dict, Generator, List, Optional
 
 
-def get_script_dir(follow_symlinks=True):
+def get_script_dir(follow_symlinks=True) -> str:
     if getattr(sys, "frozen", False):  # py2exe, PyInstaller, cx_Freeze
         path = os.path.abspath(sys.executable)
     else:
@@ -37,13 +37,13 @@ def _name_from_index(self, index: str) -> Generator[tuple, None, None]:
     def _sorted_by_index(self, index: str) -> List[tuple]:
         return sorted((element[index], element) for element in self.data)
 
-    def get(self, **kwargs) -> Dict[str, str]:
-        key: str = next(iter(kwargs))
+    def get(self, **kwargs) -> Optional[Dict[str, str]]:
         try:
+            key: str = next(iter(kwargs))
             return [
                 element
                 for element in self.data
-                if key in element and element[key] == kwargs[key]
+                if key in element and kwargs[key] in element[key]
             ][0]
         except IndexError:
             return {}
diff --git a/pyproject.toml b/pyproject.toml
index 87069863..a96296b0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "isocodes"
-version = "2023.06.24"
+version = "2023.08.29"
 description = "This project provides lists of various ISO standards (e.g. country, language, language scripts, and currency names) in one place"
 authors = [{ name = "Atem18", email = "contact@atemlire.io" }]
 license = { file = "LICENSE" }
@@ -23,6 +23,7 @@ classifiers = [
 dependencies = []
 
 [project.optional-dependencies]
+
 dev = ["pre-commit >=2.17.0,<4.0.0", "ruff == 0.0.285", "mypy == 1.5.1"]
 
 doc = ["mkdocs == 1.5.2", "mkdocs-material == 9.2.3", "mkdocstrings == 0.22.0"]
diff --git a/tests/test_general.py b/tests/test_general.py
index 436ac4e6..6be33c82 100644
--- a/tests/test_general.py
+++ b/tests/test_general.py
@@ -1,13 +1,5 @@
-from isocodes import countries, languages, currencies
-
-
-def test_countries():
-    assert len(countries) == 249
+from isocodes import languages
 
 
 def test_languages():
-    assert len(languages) == 487
-
-
-def test_currencies():
-    assert len(currencies) == 181
+    assert languages.get(name="Spanish")