Perhaps you should try some spelling variations:
"coder coder system quadratic programming" » "coder coder sistema quadratico programming" (Expand search), "coder coder item quadratic programming" (Expand search), "coder coder sistemas quadraticos programming" (Expand search), "coder cover system quadratic programming" (Expand search), "coder code system quadratic programming" (Expand search), "coder coded systems quadratic programming" (Expand search), "coder decoder system quadratic programming" (Expand search), "code code system quadratic programming" (Expand search), "decoder codec system quadratic 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 system quadratic programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder system quadratic programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder system quadratic programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder system quadratic programming") OR ("api python python python programming"))*.