Perhaps you should try some spelling variations:
"code complexity methods sampling error" » "code complexity method sampling error" (Expand search), "code complexity metrics sampling error" (Expand search), "code complex methods sampling error" (Expand search), "code complexity methods comparing error" (Expand search), "code complexity methods applied error" (Expand search), "code complexity method sample error" (Expand search), "case complexity methods sampling error" (Expand search), "care complexity methods sampling error" (Expand search), "the complexity methods sampling error" (Expand search), "code complexity methods sampling effort" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("code complexity methods sampling error") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"code complexity methods sampling error\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( code complexity methods sampling error ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("code complexity methods sampling error") OR ("using coding python python programming"))*.