Perhaps you should try some spelling variations:
"based computations in modeling problems" » "based computation in modeling problems" (Expand search), "based computational in modeling problems" (Expand search), "based competition in modeling problems" (Expand search), "based computations in modelling problems" (Expand search), "based computations in modelling problem" (Expand search), "based computations in modeling process" (Expand search), "based computation of modeling problems" (Expand search), "based computation and modeling problems" (Expand search)
"using python python python programming" » "using pythons python python programming" (Expand search), "using piton python python programming" (Expand search), "using pitons python python programming" (Expand search), "usando python python python programming" (Expand search), "in python 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: (("based computations in modeling problems") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based computations in modeling problems\") OR (\"using python python python programming\"))".
• Removing quotes may allow a broader search: (( based computations in modeling problems ) OR ( using python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("based computations in modeling problems") OR ("using python python python programming"))*.