Perhaps you should try some spelling variations:
"based computational and calling program" » "and computational and calling program" (Expand search), "by computational and calling program" (Expand search), "based computational fluid calling program" (Expand search), "based computational and culling program" (Expand search), "based computational and walking program" (Expand search), "based computational and labeling program" (Expand search), "based computational and calving program" (Expand search), "based computational and falling program" (Expand search), "based computational and galling program" (Expand search)
"using in python python programming" » "using in pythons python programming" (Expand search), "using in piton python programming" (Expand search), "using in pitons python programming" (Expand search), "using _ python python 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 and calling program\") OR (\"using in python python programming\"))~".
• Removing quotes may allow a broader search: (( based computational and calling program ) OR ( using in python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("based computational and calling program") OR ("using in python python programming"))*.