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