Perhaps you should try some spelling variations:
"and computation of computer program" » "and computational of computer program" (Expand search), "of computation of computer program" (Expand search)
"using mobile python python programming" » "using mobile phone python programming" (Expand search), "using mobile pythons python programming" (Expand search), "using mobile piton python programming" (Expand search), "using mobile 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: (("and computation of computer program") OR ("using mobile python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computation of computer program\") OR (\"using mobile python python programming\"))".
• Removing quotes may allow a broader search: (( and computation of computer program ) OR ( using mobile python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("and computation of computer program") OR ("using mobile python python programming"))*.