Perhaps you should try some spelling variations:
"coder coder polarity convex programming" » "coder coder polarity cone programming" (Expand search), "coder coder polarity computer programming" (Expand search), "coder coder polarity complex programming" (Expand search), "coder coder polarity once programming" (Expand search), "coder coder polarity index programming" (Expand search), "coder decoder polarity convex programming" (Expand search), "code code polarity convex programming" (Expand search), "decoder codec polarity convex 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 polarity convex programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder polarity convex programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder polarity convex programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder polarity convex programming") OR ("api python python python programming"))*.