Perhaps you should try some spelling variations:
"based computational code using problem" » "and computational code using problem" (Expand search), "by computational code using problem" (Expand search), "based computational model using problem" (Expand search), "based computational cost using problem" (Expand search), "based computational models using problem" (Expand search), "based computational code housing problems" (Expand search), "based computational code routing problem" (Expand search), "based computational code cutting problem" (Expand search), "based computational made using problem" (Expand search), "based computational coding using problem" (Expand search)
"usando python python python programming" » "usando pythons python python programming" (Expand search), "usando piton python python programming" (Expand search), "usando pitons python 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: (("based computational code using problem") OR ("usando python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based computational code using problem\") OR (\"usando python python python programming\"))".
• Removing quotes may allow a broader search: (( based computational code using problem ) OR ( usando python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("based computational code using problem") OR ("usando python python python programming"))*.