Perhaps you should try some spelling variations:
"and computation using linear programing" » "and computations using linear programing" (Expand search), "and computation in linear programing" (Expand search), "and composition using linear programing" (Expand search), "and computation using linear programming" (Expand search), "and computation using linear programmin" (Expand search), "and computation using linear program" (Expand search), "and computational using linear programing" (Expand search), "of computation using linear programing" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("and computation using linear programing") OR ("using in python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computation using linear programing\") OR (\"using in python python programming\"))".
• Removing quotes may allow a broader search: (( and computation using linear programing ) OR ( using in python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("and computation using linear programing") OR ("using in python python programming"))*.