Perhaps you should try some spelling variations:
"using computation model computational program" » "using computation models computational program" (Expand search), "using computation modelo computacional program" (Expand search), "using computation code computational program" (Expand search), "using computational model computational program" (Expand search), "using imputation model computational program" (Expand search), "using compilation model computational program" (Expand search), "using competition model computational 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("using computation model computational program") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using computation model computational program\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( using computation model computational program ) OR ( using coding python python programming ))*.