Perhaps you should try some spelling variations:
"coder codes in coverage problems" » "coder codes in coverage problem" (Expand search), "coder codes in covering problems" (Expand search), "coder codes in covering problem" (Expand search), "color codes in coverage problems" (Expand search), "order codes in coverage problems" (Expand search), "code code in coverage problems" (Expand search), "coder codes and coverage problems" (Expand search), "coder code in coverage problems" (Expand search), "coder codes of coverage problems" (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 codes in coverage problems\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder codes in coverage problems ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder codes in coverage problems") OR ("api python python python programming"))*.