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