Perhaps you should try some spelling variations:
"developing computation model using program" » "developing computational model using program" (Expand search), "developing population model using program" (Expand search), "developing communication model using program" (Expand search), "developing competition model using program" (Expand search), "developing imputation model using program" (Expand search), "developing computation model housing program" (Expand search), "developing computation model nursing program" (Expand search), "developing computation model aging program" (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: (("developing computation model using program") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"developing computation model using program\") OR (\"using python python python programming\"))".
• Removing quotes may allow a broader search: (( developing computation model using program ) OR ( using python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("developing computation model using program") OR ("using python python python programming"))*.