Perhaps you should try some spelling variations:
"coder cover data complexity problem" » "coder cover data complex problem" (Expand search), "coder cover data completion problem" (Expand search), "coder cover data convexity problem" (Expand search), "coder cover and complexity problem" (Expand search), "coder cover case complexity problem" (Expand search), "coder cover habitat complexity problem" (Expand search), "cover cover data complexity problem" (Expand search), "codes over data complexity problem" (Expand search), "under cover data complexity 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 cover data complexity problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder cover data complexity problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder cover data complexity problem") OR ("api python python python programming"))*.