Perhaps you should try some spelling variations:
"coder coder learning problems discrete" » "coder coder learning process discrete" (Expand search), "coder coder learning projects discrete" (Expand search), "coder coder packing problems discrete" (Expand search), "coder coder learning problema discreto" (Expand search), "coder coder learning problemas discretos" (Expand search), "coder coder learning problems concrete" (Expand search), "coder codes learning problems discrete" (Expand search), "coder modern learning problems discrete" (Expand search), "coder model learning problems discrete" (Expand search), "coder decoder learning problems discrete" (Expand search), "code code learning problems discrete" (Expand search), "decoder codec learning problems discrete" (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), "rpa python 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 learning problems discrete") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder learning problems discrete\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder learning problems discrete ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder learning problems discrete") OR ("api python python python programming"))*.