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