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