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