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