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