Perhaps you should try some spelling variations:
"coder code an coverage problems" » "coder code an coverage problem" (Expand search), "coder code an covering problems" (Expand search), "coder code an covering problem" (Expand search), "coder code and coverage problems" (Expand search), "coder code in coverage problems" (Expand search), "coder code on coverage problems" (Expand search), "code code an coverage problems" (Expand search), "modern code an coverage problems" (Expand search), "color code an 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder code an coverage problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder code an coverage problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder code an coverage problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder code an coverage problems") OR ("api python python python programming"))*.