Perhaps you should try some spelling variations:
"based computational using model problem" » "and computational using model problem" (Expand search), "by computational using model problem" (Expand search), "based computation using model problem" (Expand search), "based computations using model problem" (Expand search), "based computacional usinas model problem" (Expand search), "based computational using model problems" (Expand search), "based computational using model probe" (Expand search), "based computational using moral problem" (Expand search), "based computational ising model problem" (Expand search), "based computational using modis problem" (Expand search), "based computational using mobile problem" (Expand search)
"using code from python programming" » "using code from pathogen programming" (Expand search), "using code from anthony programming" (Expand search), "using cone from python programming" (Expand search), "using co from python programming" (Expand search), "using co2 from python programming" (Expand search), "using code form 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: "((\"based computational using model problem\") OR (\"using code from python programming\"))~".
• Removing quotes may allow a broader search: (( based computational using model problem ) OR ( using code from python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("based computational using model problem") OR ("using code from python programming"))*.