Perhaps you should try some spelling variations:
"coder routing problem parallel programing" » "coder routing problem parallel programming" (Expand search), "coder routing problem parallel programs" (Expand search), "coder routing problem parallel processing" (Expand search), "coder routing from parallel programing" (Expand search), "coder routing process parallel programing" (Expand search), "power routing problem parallel programing" (Expand search), "node routing problem parallel programing" (Expand search), "powder grouting problem parallel programing" (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 routing problem parallel programing") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder routing problem parallel programing\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder routing problem parallel programing ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder routing problem parallel programing") OR ("api python python python programming"))*.