Perhaps you should try some spelling variations:
"coder coder proper routing problem" » "coder coder power routing problem" (Expand search), "coder coder proper housing problem" (Expand search), "coder coder drone routing problem" (Expand search), "coder code property routing problem" (Expand search), "coder body proper routing problem" (Expand search), "coder decoder proper routing problem" (Expand search), "code code proper routing problem" (Expand search), "decoder codec proper routing 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 proper routing problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder proper routing problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder proper routing problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder proper routing problem") OR ("api python python python programming"))*.