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