Perhaps you should try some spelling variations:
"using computational modeling computer program" » "and computational modeling computer program" (Expand search), "using computational model computer program" (Expand search), "using computational routing computer program" (Expand search)
"using modis from python programming" » "using mobile from python programming" (Expand search), "using modis from pathogen programming" (Expand search), "using modis from anthony programming" (Expand search), "using modes from python programming" (Expand search), "using mods from python programming" (Expand search), "using models from 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: (("using computational modeling computer program") OR ("using modis from python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using computational modeling computer program\") OR (\"using modis from python programming\"))".
• Removing quotes may allow a broader search: (( using computational modeling computer program ) OR ( using modis from python programming )).
• Adding a wildcard symbol may retrieve word variants: (("using computational modeling computer program") OR ("using modis from python programming"))*.