Perhaps you should try some spelling variations:
"coder application methods clustering problem" » "coder application medoids clustering problem" (Expand search), "coder application methods cluster problem" (Expand search), "coder application networks clustering problem" (Expand search), "coder application methods covering problem" (Expand search), "code application methods clustering problem" (Expand search), "codes application methods clustering problem" (Expand search), "copper application methods 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder application methods clustering problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder application methods clustering problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder application methods clustering problem") OR ("api python python python programming"))*.