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