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