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