Perhaps you should try some spelling variations:
"coder and coverage duplication problem" » "coder and coverage location problem" (Expand search), "coder and coverage mobilization problem" (Expand search), "coder and coverage prediction problem" (Expand search), "coder and coverage lubrication problems" (Expand search), "coder and coverage allocation problem" (Expand search), "coder and cover duplication problem" (Expand search), "code and coverage duplication problem" (Expand search), "codes and coverage duplication problem" (Expand search), "poder and coverage duplication 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder and coverage duplication problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder and coverage duplication problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder and coverage duplication problem") OR ("api python python python programming"))*.