Perhaps you should try some spelling variations:
"and computation using nonlinear programing" » "and computation using nonlinear programming" (Expand search), "and computation using linear programing" (Expand search), "and computation using linear programming" (Expand search), "and computations using nonlinear programing" (Expand search), "and computation in nonlinear programing" (Expand search), "and composition using nonlinear programing" (Expand search), "and computational using nonlinear programing" (Expand search), "of computation using nonlinear programing" (Expand search)
"using codigo python python programming" » "using codigo pythons python programming" (Expand search), "using codigo piton python programming" (Expand search), "using codigo pitons python programming" (Expand search), "using indigo python python programming" (Expand search), "using coding python python programming" (Expand search), "using codium 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: (("and computation using nonlinear programing") OR ("using codigo python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computation using nonlinear programing\") OR (\"using codigo python python programming\"))*".
• Removing quotes may allow a broader search: (( and computation using nonlinear programing ) OR ( using codigo python python programming ))*.