Perhaps you should try some spelling variations:
"coder precoder discrete nonlinear programming" » "coder precoder discrete linear programming" (Expand search), "coder order discrete nonlinear programming" (Expand search), "coder precoder scheme nonlinear programming" (Expand search), "coder predador discreto nonlinear programming" (Expand search), "coder decoder discrete 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 precoder discrete nonlinear programming\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder precoder discrete nonlinear programming ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder precoder discrete nonlinear programming") OR ("api python python python programming"))*.