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 foods from python programming" » "using food from python programming" (Expand search), "buying foods from python programming" (Expand search), "using focus from python programming" (Expand search), "using foods from pathogen programming" (Expand search), "using foods 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 foods from python programming\"))~".
• Removing quotes may allow a broader search: (( based computational using computer program ) OR ( using foods from python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("based computational using computer program") OR ("using foods from python programming"))*.