Perhaps you should try some spelling variations:
"coder _ complexity does program" » "coder _ complexity doi program" (Expand search), "coder _ complexity due program" (Expand search), "coder _ complexity costs program" (Expand search), "coder _ complexity goes programa" (Expand search), "coder _ complexity ares program" (Expand search), "coder _ complexity es program" (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: "((\"coder _ complexity does program\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( coder _ complexity does program ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder _ complexity does program") OR ("using coding python python programming"))*.