Perhaps you should try some spelling variations:
"coder using efficient string problem" » "coder using efficient streaming problem" (Expand search), "coder using efficient sensing problem" (Expand search), "coder using efficient testing problem" (Expand search), "coder using effluent string problem" (Expand search), "coder using efficient sizing problem" (Expand search), "coder using efficient rostering problem" (Expand search), "coder using efficient sharing problems" (Expand search), "coders using efficient string problem" (Expand search), "cover using efficient string problem" (Expand search), "code using efficient string 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)

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

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