Perhaps you should try some spelling variations:
"models computational using integer programming" » "model computational using integer programming" (Expand search), "modelo computacional using integer programming" (Expand search), "modeling computational using integer programming" (Expand search), "models computation using integer programming" (Expand search), "models computations using integer programming" (Expand search), "models computacional usinas integer programming" (Expand search), "models computational using linear programming" (Expand search), "models computational using inter programming" (Expand search), "models computational using internet programming" (Expand search), "models computational using integral programming" (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: "((\"models computational using integer programming\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( models computational using integer programming ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("models computational using integer programming") OR ("using coding python python programming"))*.