Perhaps you should try some spelling variations:
"coder lower complexity tree problem" » "coder low complexity tree problem" (Expand search), "coder code complexity tree problem" (Expand search), "coder motor complexity tree problem" (Expand search), "coder lower complexity the problem" (Expand search), "coder lower complexity reef problem" (Expand search), "coder lower complexity trap problem" (Expand search), "over lower complexity tree 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 lower complexity tree problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder lower complexity tree problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder lower complexity tree problem") OR ("api python python python programming"))*.