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