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