Perhaps you should try some spelling variations:
"coder using and clustering problem" » "coder using and covering problem" (Expand search), "coder using data clustering problem" (Expand search), "coder using _ clustering problem" (Expand search), "coders using and clustering problem" (Expand search), "cover using and clustering problem" (Expand search), "code using and clustering problem" (Expand search), "coder using an clustering problem" (Expand search), "coder housing and clustering 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 and clustering problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder using and clustering problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder using and clustering problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder using and clustering problem") OR ("api python python python programming"))*.