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