Perhaps you should try some spelling variations:
"coder function of coverage problem" » "coder function of covering problem" (Expand search), "coder function of cover problem" (Expand search), "coder function of covering problems" (Expand search), "modern function of coverage problem" (Expand search), "power function of coverage problem" (Expand search), "over function of coverage problem" (Expand search), "coder function and coverage 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 function of coverage problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder function of coverage problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder function of coverage problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder function of coverage problem") OR ("api python python python programming"))*.