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