Perhaps you should try some spelling variations:
"code complexity with coverage of" » "case complexity with coverage of" (Expand search), "care complexity with coverage of" (Expand search), "the complexity with coverage of" (Expand search), "code complexity in coverage of" (Expand search), "code complexity with average of" (Expand search), "code complexity with cover of" (Expand search)
"using using python python programming" » "using using pythons python programming" (Expand search), "using using piton python programming" (Expand search), "using using pitons python programming" (Expand search), "using usando python python programming" (Expand search), "using in python python programming" (Expand search), "using fusing python python programming" (Expand search), "housing using python python programming" (Expand search), "nursing using 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: (("code complexity with coverage of") OR ("using using python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"code complexity with coverage of\") OR (\"using using python python programming\"))".
• Removing quotes may allow a broader search: (( code complexity with coverage of ) OR ( using using python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("code complexity with coverage of") OR ("using using python python programming"))*.