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