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