Perhaps you should try some spelling variations:
"coder and coverage stream function" » "coder and coverage area function" (Expand search), "coder and coverage areas function" (Expand search), "coder and coverage tree function" (Expand search), "coder and coverage sperm function" (Expand search), "coder and cover stream function" (Expand search), "code and coverage stream function" (Expand search), "codes and coverage stream function" (Expand search), "poder and coverage stream function" (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 and coverage stream function") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder and coverage stream function\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder and coverage stream function ) OR ( api python python python programming ))*.