Perhaps you should try some spelling variations:
"code computational using sample problem" » "code computation using sample problem" (Expand search), "code computations using sample problem" (Expand search), "code computacional usinas sample problem" (Expand search), "model computational using sample problem" (Expand search), "cfd computational using sample problem" (Expand search), "some computational using sample problem" (Expand search), "code computational using complex problem" (Expand search), "code computational using same problems" (Expand search), "code computational using samples problem" (Expand search), "code computational using simple problem" (Expand search), "code computational using simplex problem" (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 computational using sample problem") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"code computational using sample problem\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( code computational using sample problem ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("code computational using sample problem") OR ("using coding python python programming"))*.