Perhaps you should try some spelling variations:
"modeling computations in math programming" » "modeling computation in math programming" (Expand search), "modeling computational in math programming" (Expand search), "model computations in math programming" (Expand search), "modeling computations in and programming" (Expand search), "modeling computations in based programming" (Expand search), "modeling computations in goal programming" (Expand search), "modeling computation of math programming" (Expand search), "modeling computation and math programming" (Expand search), "modeling computations in mato 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: "((\"modeling computations in math programming\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( modeling computations in math programming ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("modeling computations in math programming") OR ("using coding python python programming"))*.