Perhaps you should try some spelling variations:
"based computations using computer program" » "based computation using computer program" (Expand search), "based computational using computer program" (Expand search), "based competition using computer program" (Expand search), "based populations using computer program" (Expand search), "based computations in computer program" (Expand search)
"using modis pym python programming" » "using mobile pym python programming" (Expand search), "using modis pytm python programming" (Expand search), "using modis tm python programming" (Expand search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("based computations using computer program") OR ("using modis pym python programming"))~.
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