Perhaps you should try some spelling variations:
"coder coding encoding concurrent object" » "coder coding proving concurrent object" (Expand search), "coder coding rewriting concurrent object" (Expand search), "coder coding analysing concurrent object" (Expand search), "coder coding encoding concurrent test" (Expand search), "coder coding decoding concurrent object" (Expand search), "coder toxin encoding concurrent object" (Expand search), "coder cdna encoding concurrent object" (Expand search), "modern coding encoding concurrent object" (Expand search), "color coding encoding concurrent object" (Expand search), "odor coding encoding concurrent object" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coding encoding concurrent object") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding encoding concurrent object\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding encoding concurrent object ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding encoding concurrent object") OR ("api python python python programming"))*.