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 coding opencv python programming" » "using using opencv python programming" (Expand search), "using codigo opencl python programming" (Expand search), "using coding pnc python programming" (Expand search), "using coping opencv python programming" (Expand search), "using coating opencv python programming" (Expand search), "using cooking opencv 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 coding opencv python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computational using computer program\") OR (\"using coding opencv python programming\"))".
• Removing quotes may allow a broader search: (( and computational using computer program ) OR ( using coding opencv python programming )).
• Adding a wildcard symbol may retrieve word variants: (("and computational using computer program") OR ("using coding opencv python programming"))*.