Perhaps you should try some spelling variations:
"based computations using linear programming" » "based computation using linear programming" (Expand search), "based computational using linear programming" (Expand search), "based competition using linear programming" (Expand search), "based populations using linear programming" (Expand search), "based computations in linear programming" (Expand search)
"using tools python python programming" » "using tools pythons python programming" (Expand search), "using tools piton python programming" (Expand search), "using tools pitons python programming" (Expand search), "using tool python python programming" (Expand search), "using tools person python programming" (Expand search), "cutting tools python python programming" (Expand search), "testing tools python python programming" (Expand search), "mining tools 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 computations using linear programming\") OR (\"using tools python python programming\"))~".
• Removing quotes may allow a broader search: (( based computations using linear programming ) OR ( using tools python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("based computations using linear programming") OR ("using tools python python programming"))*.