Perhaps you should try some spelling variations:
"based computational using computer program" » "and computational using computer program" (Expand search), "by computational using computer program" (Expand search), "based computation using computer program" (Expand search), "based computations using computer program" (Expand search), "based computacional usinas computer program" (Expand search)
"using visual from python programming" » "using virtual from python programming" (Expand search), "using visual afro python programming" (Expand search), "using visual flow python programming" (Expand search), "using visual form python programming" (Expand search), "using visual from pathogen programming" (Expand search), "using visual from anthony programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based computational using computer program\") OR (\"using visual from python programming\"))~".
• Removing quotes may allow a broader search: (( based computational using computer program ) OR ( using visual from python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("based computational using computer program") OR ("using visual from python programming"))*.