Perhaps you should try some spelling variations:
"model computational using complex program" » "models computational using complex program" (Expand search), "modelo computacional using complex program" (Expand search), "code computational using complex program" (Expand search), "model computation using complex program" (Expand search), "model computations using complex program" (Expand search), "model computacional usinas complex program" (Expand search), "model computational using simplex program" (Expand search), "model computational using complex programmes" (Expand search), "model computational using complex prograded" (Expand search), "model computational housing complex program" (Expand search), "model computational using computer 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: (("model computational using complex program") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"model computational using complex program\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( model computational using complex program ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("model computational using complex program") OR ("using coding python python programming"))*.