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