Perhaps you should try some spelling variations:
"and computational using computer programming" » "and computational using computer program" (Expand search), "and computational using computer programs" (Expand search), "and computation using computer programming" (Expand search), "and computations using computer programming" (Expand search), "and computacional usinas computer programming" (Expand search), "_ computational using computer programming" (Expand search)
"using zone from python programming" » "using zone from pathogen programming" (Expand search), "using zone from anthony programming" (Expand search), "using ozone from python programming" (Expand search), "using cone from python programming" (Expand search), "using one from python programming" (Expand search), "using gene from 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 using computer programming") OR ("using zone from python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computational using computer programming\") OR (\"using zone from python programming\"))".
• Removing quotes may allow a broader search: (( and computational using computer programming ) OR ( using zone from python programming )).
• Adding a wildcard symbol may retrieve word variants: (("and computational using computer programming") OR ("using zone from python programming"))*.