Perhaps you should try some spelling variations:
"coder decoder super strings problem" » "coder decoder super string problem" (Expand search), "coder decoder super waring's problem" (Expand search), "coder decoder super sharing problem" (Expand search), "encoder decoder super strings problem" (Expand search), "coder decoder sp strings problem" (Expand search), "coder decoder open strings problem" (Expand search), "coder decoder super sprint 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), "manim 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 decoder super strings problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder decoder super strings problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder decoder super strings problem") OR ("api python python python programming"))*.