Perhaps you should try some spelling variations:
"coder coder rate nonlinear programming" » "coder coder rate linear programming" (Expand search), "coder coder at nonlinear programming" (Expand search), "coder coder based nonlinear programming" (Expand search), "coder coder scale nonlinear programming" (Expand search), "coder decoder rate nonlinear programming" (Expand search), "code code rate nonlinear programming" (Expand search), "decoder codec rate nonlinear programming" (Expand search), "coder cover rate nonlinear programming" (Expand search), "coder power rate nonlinear programming" (Expand search), "coder code rape nonlinear programming" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ 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 rate nonlinear programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder rate nonlinear programming\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder rate nonlinear programming ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder rate nonlinear programming") OR ("_ python python python programming"))*.