Perhaps you should try some spelling variations:
"barcode decoding python capacity problem" » "barcode decoding python parity problem" (Expand search), "barcode decoding python capacity program" (Expand search), "barcode decoding python cavity problem" (Expand search), "barcode decoding method capacity problem" (Expand search), "barcode decoding action capacity problem" (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), "manim 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: (("barcode decoding python capacity problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"barcode decoding python capacity problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( barcode decoding python capacity problem ) OR ( api python python python programming ))*.