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