Perhaps you should try some spelling variations:
"based computation using mobile problems" » "based computational using mobile problems" (Expand search), "based competition using mobile problems" (Expand search), "based compilation using mobile problems" (Expand search), "based computations using mobile problems" (Expand search), "based computation in mobile problems" (Expand search), "based composition using mobile problems" (Expand search), "based computation using mobile problemas" (Expand search), "based computation using moodle problems" (Expand search), "based computation using mobility problems" (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: (("based computation using mobile problems") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based computation using mobile problems\") OR (\"using python python python programming\"))".
• Removing quotes may allow a broader search: (( based computation using mobile problems ) OR ( using python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("based computation using mobile problems") OR ("using python python python programming"))*.