Perhaps you should try some spelling variations:
"coder functions root coverage of" » "power functions root coverage of" (Expand search), "order functions root coverage of" (Expand search), "colour functions root coverage of" (Expand search), "coder function roots coverage of" (Expand search), "coder functions at coverage of" (Expand search), "coder functions re coverage of" (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 functions root coverage of") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder functions root coverage of\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder functions root coverage of ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder functions root coverage of") OR ("api python python python programming"))*.