Perhaps you should try some spelling variations:
"coding function using nonlinear programming" » "coding function using linear programming" (Expand search), "coding functions using nonlinear programming" (Expand search), "coping function using nonlinear programming" (Expand search), "crowding function using nonlinear programming" (Expand search), "coding function during nonlinear programming" (Expand search), "coding reaction using nonlinear programming" (Expand search)
"using in python python programming" » "using in pythons python programming" (Expand search), "using in piton python programming" (Expand search), "using in pitons python programming" (Expand search), "using _ 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: (("coding function using nonlinear programming") OR ("using in python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coding function using nonlinear programming\") OR (\"using in python python programming\"))*".
• Removing quotes may allow a broader search: (( coding function using nonlinear programming ) OR ( using in python python programming ))*.