docs: Additional examples for partners/exa README (langchain-ai#18081)

**Description:** Add additional examples for other modules to
partners/exa README
**Issue:** langchain-ai#17545
**Dependencies:** None
**Twitter handle:** @DannyMcAteer8

---------

Co-authored-by: Daniel McAteer <danielmcateer@Daniels-MBP.attlocal.net>
Co-authored-by: Daniel McAteer <danielmcateer@Daniels-MacBook-Pro.local>

libs/partners/exa/README.md

@@ -25,4 +25,46 @@ results  = exa.get_relevant_documents(query="What is the capital of France?")
 
 # Print the results
 print(results)
+```
+
+## Exa Search Results
+
+You can run the ExaSearchResults module as follows
+
+```python
+from langchain_exa import ExaSearchResults
+
+# Initialize the ExaSearchResults tool
+search_tool = ExaSearchResults(exa_api_key="YOUR API KEY")
+
+# Perform a search query
+search_results = search_tool._run(
+    query="When was the last time the New York Knicks won the NBA Championship?",
+    num_results=5,
+    text_contents_options=True,
+    highlights=True
+)
+
+print("Search Results:", search_results)
+```
+
+## Exa Find Similar Results
+
+You can run the ExaFindSimilarResults module as follows
+
+```python
+from langchain_exa import ExaFindSimilarResults
+
+# Initialize the ExaFindSimilarResults tool
+find_similar_tool = ExaFindSimilarResults(exa_api_key="YOUR API KEY")
+
+# Find similar results based on a URL
+similar_results = find_similar_tool._run(
+    url="http://espn.com",
+    num_results=5,
+    text_contents_options=True,
+    highlights=True
+)
+
+print("Similar Results:", similar_results)
 ```