Perhaps you should try some spelling variations:
"coder coding gradient in problem" » "coder flooding gradient in problem" (Expand search), "coder using gradient in problem" (Expand search), "coder caatinga gradient in problem" (Expand search), "modern coding gradient in problem" (Expand search), "color coding gradient in problem" (Expand search), "odor coding gradient in 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 coding gradient in problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding gradient in problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding gradient in problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding gradient in problem") OR ("api python python python programming"))*.