Perhaps you should try some spelling variations:
"advanced computational using linear programming" » "and computational using linear programming" (Expand search), "based computational using linear programming" (Expand search), "advanced computation using linear programming" (Expand search), "advanced computations using linear programming" (Expand search), "advanced computacional usinas linear programming" (Expand search)
"using only python python programming" » "using only pythons python programming" (Expand search), "using only piton python programming" (Expand search), "using only pitons python programming" (Expand search), "using monty python python programming" (Expand search), "using on python python programming" (Expand search), "using online 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: (("advanced computational using linear programming") OR ("using only python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced computational using linear programming\") OR (\"using only python python programming\"))".
• Removing quotes may allow a broader search: (( advanced computational using linear programming ) OR ( using only python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("advanced computational using linear programming") OR ("using only python python programming"))*.