Perhaps you should try some spelling variations:
"coder coder problem melnikov program" » "coder coder problem manikin program" (Expand search), "coder cover problem melnikov program" (Expand search), "coder cover problems melnikov program" (Expand search), "coder border problem melnikov program" (Expand search), "coder decoder problem melnikov program" (Expand search), "code code problem melnikov program" (Expand search), "decoder codec problem melnikov program" (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 problem melnikov program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder problem melnikov program\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder problem melnikov program ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder problem melnikov program") OR ("api python python python programming"))*.