return 7 results

app.py

@@ -9,7 +9,7 @@ documents = [Document(text=item['content'], metadata=item['metadata']) for item
 #documents = SimpleDirectoryReader("data").load_data()
 index = VectorStoreIndex.from_documents(documents)
 retriever = index.as_retriever(
-    similarity_top_k=5,  # Number of hits to return
+    similarity_top_k=7,  # Number of hits to return
     vector_store_query_mode="default"  # Basic semantic search
 )