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