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