Perhaps you should try some spelling variations:
"coder coder range allocation problem" » "coder coder range location problem" (Expand search), "coder coder random allocation problem" (Expand search), "coder coder single allocation problem" (Expand search), "coder coder and allocation problem" (Expand search), "coder decoder range allocation problem" (Expand search), "code code range allocation problem" (Expand search), "decoder codec range allocation problem" (Expand search), "coder border range allocation problem" (Expand search), "coder power range allocation problem" (Expand search), "coder cyber range allocation 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 range allocation problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder range allocation problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder range allocation problem ) OR ( api python python python programming ))*.