Perhaps you should try some spelling variations:
"coder coder cover cutting problem" » "coder coder cover routing problem" (Expand search), "coder coder cover covering problem" (Expand search), "coder coder over cutting problem" (Expand search), "coder coder core cutting problem" (Expand search), "coder coder power cutting problem" (Expand search), "coder decoder cover cutting problem" (Expand search), "code code cover cutting problem" (Expand search), "decoder codec cover cutting problem" (Expand search), "coder cover cover cutting problem" (Expand search), "coder codes over cutting problem" (Expand search), "coder under cover cutting 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 cover cutting problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder cover cutting problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder cover cutting problem ) OR ( api python python python programming ))*.