Perhaps you should try some spelling variations:
"advanced computation using nonlinear programming" » "advanced computation using linear programming" (Expand search), "advanced computations using nonlinear programming" (Expand search), "advanced computational using nonlinear programming" (Expand search), "advance computational using nonlinear programming" (Expand search), "advanced computation in nonlinear programming" (Expand search), "advanced composition using nonlinear programming" (Expand search)
"using of python python programming" » "using of pythons python programming" (Expand search), "using of piton python programming" (Expand search), "using of pitons python programming" (Expand search), "using _ python python programming" (Expand search), "using in python python programming" (Expand search), "housing of 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: "((\"advanced computation using nonlinear programming\") OR (\"using of python python programming\"))~".
• Removing quotes may allow a broader search: (( advanced computation using nonlinear programming ) OR ( using of python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced computation using nonlinear programming") OR ("using of python python programming"))*.