Perhaps you should try some spelling variations:
"coder implementation in nonlinear programming" » "coder implementation in linear programming" (Expand search), "code implementation in nonlinear programming" (Expand search), "decoder implementation in nonlinear programming" (Expand search), "model implementation in nonlinear programming" (Expand search), "coder implementation and nonlinear programming" (Expand search), "coder implementation of nonlinear programming" (Expand search), "coder implementation _ nonlinear programming" (Expand search)
"python coding python python programming" » "python codigo python python programming" (Expand search), "action coding python python programming" (Expand search), "python code python python programming" (Expand search), "python codigos python python programming" (Expand search), "python using python python programming" (Expand search), "python coding pythons python programming" (Expand search), "python coding piton python programming" (Expand search), "python coding pitons 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: "((\"coder implementation in nonlinear programming\") OR (\"python coding python python programming\"))~".
• Removing quotes may allow a broader search: (( coder implementation in nonlinear programming ) OR ( python coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder implementation in nonlinear programming") OR ("python coding python python programming"))*.