Perhaps you should try some spelling variations:
"by computational using computer program" » "by computation using computer program" (Expand search), "by computations using computer program" (Expand search), "by computacional usinas computer program" (Expand search), "_ computational using computer program" (Expand search), "and computational using computer program" (Expand search)
"using mobile coding python programming" » "using mobile recording python programming" (Expand search), "using mobile booking python programming" (Expand search), "using mobile tolling python programming" (Expand search), "using mobile codigo python programming" (Expand search), "using mobile codigos python programming" (Expand search), "using mobile using 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: (("by computational using computer program") OR ("using mobile coding python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"by computational using computer program\") OR (\"using mobile coding python programming\"))".
• Removing quotes may allow a broader search: (( by computational using computer program ) OR ( using mobile coding python programming )).
• Adding a wildcard symbol may retrieve word variants: (("by computational using computer program") OR ("using mobile coding python programming"))*.