Perhaps you should try some spelling variations:
"based expression using parallel programing" » "based expression using parallel programming" (Expand search), "based expression using parallel programs" (Expand search), "based expression using parallel processing" (Expand search), "and expression using parallel programing" (Expand search), "based regression using parallel programing" (Expand search), "fixed expressions using parallel programing" (Expand search), "based expression during parallel programing" (Expand search), "based expression and parallel programing" (Expand search), "based expression in parallel programing" (Expand search)
"using python python python programming" » "using pythons python python programming" (Expand search), "using piton python python programming" (Expand search), "using pitons python python programming" (Expand search), "usando python python python programming" (Expand search), "in python 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 expression using parallel programing") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based expression using parallel programing\") OR (\"using python python python programming\"))".
• Removing quotes may allow a broader search: (( based expression using parallel programing ) OR ( using python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("based expression using parallel programing") OR ("using python python python programming"))*.