Perhaps you should try some spelling variations:
"coder coder cost coverage of" » "coder coder root coverage of" (Expand search), "coder coder code coverage of" (Expand search), "coder coder test coverage of" (Expand search), "coder decoder cost coverage of" (Expand search), "code code cost coverage of" (Expand search), "decoder codec cost coverage of" (Expand search), "coder cover cost coverage of" (Expand search), "coder modern cost coverage of" (Expand search), "coder lower cost 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)

You may be able to get more results by adjusting your search query.

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