Perhaps you should try some spelling variations:
"based computation using diffusion problem" » "based computational using diffusion problem" (Expand search), "based competition using diffusion problem" (Expand search), "based compilation using diffusion problem" (Expand search), "based computations using diffusion problem" (Expand search), "based computation in diffusion problem" (Expand search), "based composition using diffusion problem" (Expand search), "based computation using diffusion process" (Expand search)
"using codigo python python programming" » "using codigo pythons python programming" (Expand search), "using codigo piton python programming" (Expand search), "using codigo pitons python programming" (Expand search), "using indigo python python programming" (Expand search), "using coding python python programming" (Expand search), "using codium 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 computation using diffusion problem") OR ("using codigo python python programming"))~.
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• Removing quotes may allow a broader search: (( based computation using diffusion problem ) OR ( using codigo python python programming ))*.