Perhaps you should try some spelling variations:
"coder coder boolean nonlinear programming" » "coder coder boolean linear programming" (Expand search), "coder coder toler nonlinear programming" (Expand search), "coder model boolean nonlinear programming" (Expand search), "coder decoder boolean nonlinear programming" (Expand search), "code code boolean nonlinear programming" (Expand search), "decoder codec boolean 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)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder boolean nonlinear programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder boolean nonlinear programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder boolean nonlinear programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder boolean nonlinear programming") OR ("api python python python programming"))*.