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