Perhaps you should try some spelling variations:
"coder vector coding activity recognition" » "coder vector coding entity recognition" (Expand search), "coder vector costing activity recognition" (Expand search), "coder vector coating activity recognition" (Expand search), "coder vector modeling activity recognition" (Expand search), "under vector coding activity recognition" (Expand search), "model vector coding activity recognition" (Expand search), "order vector coding activity recognition" (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 vector coding activity recognition") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder vector coding activity recognition\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder vector coding activity recognition ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder vector coding activity recognition") OR ("api python python python programming"))*.