Perhaps you should try some spelling variations:
"_ computational using modeling problem" » "_ computation using modeling problem" (Expand search), "_ computations using modeling problem" (Expand search), "_ computacional usinas modeling problem" (Expand search), "_ computational using modeling problems" (Expand search), "_ computational using modelling problem" (Expand search), "_ computational using modelling problems" (Expand search), "_ computational using model problem" (Expand search), "_ computational using modern problem" (Expand search), "_ computational using models 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("_ computational using modeling problem") OR ("using code from python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"_ computational using modeling problem\") OR (\"using code from python programming\"))".
• Removing quotes may allow a broader search: (( _ computational using modeling problem ) OR ( using code from python programming )).
• Adding a wildcard symbol may retrieve word variants: (("_ computational using modeling problem") OR ("using code from python programming"))*.