Perhaps you should try some spelling variations:
"coder coder _ nonlinear programming" » "coder coder _ linear programming" (Expand search), "coder decoder _ nonlinear programming" (Expand search), "code code _ nonlinear programming" (Expand search), "decoder codec _ nonlinear programming" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python python python programming" (Expand search), "manim python 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: "((\"coder coder _ nonlinear programming\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder _ nonlinear programming ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder _ nonlinear programming") OR ("api python python python programming"))*.