Perhaps you should try some spelling variations:
"coder coder sample packing problem" » "coder coder sample planning problem" (Expand search), "coder coder sample stacking problem" (Expand search), "coder coder sample matching problem" (Expand search), "coder modern sample packing problem" (Expand search), "coder cover samples packing problem" (Expand search), "coder code samples packing problem" (Expand search), "coder decoder sample packing problem" (Expand search), "code code sample packing problem" (Expand search), "decoder codec sample packing 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 sample packing problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder sample packing problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder sample packing problem ) OR ( api python python python programming ))*.