Perhaps you should try some spelling variations:
"using computational in computer program" » "and computational in computer program" (Expand search), "using computational and computer program" (Expand search), "using computational _ computer program" (Expand search), "using computational 3d computer program" (Expand search)
"using coupling python python programming" » "using coupling protein python programming" (Expand search), "running coupling python python programming" (Expand search), "using competing python python programming" (Expand search), "using coupled python python programming" (Expand search), "using coupling pythons python programming" (Expand search), "using coupling piton python programming" (Expand search), "using coupling pitons 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 in computer program") OR ("using coupling python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using computational in computer program\") OR (\"using coupling python python programming\"))".
• Removing quotes may allow a broader search: (( using computational in computer program ) OR ( using coupling python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("using computational in computer program") OR ("using coupling python python programming"))*.