Perhaps you should try some spelling variations:
"coder coder rate scheduling problem" » "coder coder crane scheduling problem" (Expand search), "coder coder route scheduling problem" (Expand search), "coder coder case scheduling problem" (Expand search), "coder decoder rate scheduling problem" (Expand search), "code code rate scheduling problem" (Expand search), "decoder codec rate scheduling problem" (Expand search), "coder cover rate scheduling problem" (Expand search), "coder power rate scheduling problem" (Expand search), "coder code rape scheduling problem" (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 rate scheduling problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder rate scheduling problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder rate scheduling problem ) OR ( api python python python programming ))*.