Perhaps you should try some spelling variations:
"using functions cusp coverage of" » "using functional cusp coverage of" (Expand search), "ing functions cusp coverage of" (Expand search), "testing functions cusp coverage of" (Expand search), "using functions case coverage of" (Expand search), "using functions ans coverage of" (Expand search), "using functions can coverage of" (Expand search), "using functions care coverage of" (Expand search), "using functions code coverage of" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking 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: "((\"using functions cusp coverage of\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( using functions cusp coverage of ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using functions cusp coverage of") OR ("using coding python python programming"))*.