Perhaps you should try some spelling variations:
"and computation using nonlinear program" » "and computations using nonlinear program" (Expand search), "and computation in nonlinear program" (Expand search), "and composition using nonlinear program" (Expand search), "and computation using nonlinear programing" (Expand search), "and computation using linear program" (Expand search), "and computation using nonlinear problem" (Expand search), "and computational using nonlinear program" (Expand search), "of computation using nonlinear program" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computation using nonlinear program\") OR (\"using codigo python python programming\"))~".
• Removing quotes may allow a broader search: (( and computation using nonlinear program ) OR ( using codigo python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and computation using nonlinear program") OR ("using codigo python python programming"))*.