Perhaps you should try some spelling variations:
"coder coder sample complexity problem" » "coder coder sample complex problem" (Expand search), "coder coder sample completion problem" (Expand search), "coder coder sample convexity problem" (Expand search), "coder coder case complexity problem" (Expand search), "coder coder care complexity problem" (Expand search), "coder coder time complexity problem" (Expand search), "coder modern sample complexity problem" (Expand search), "coder cover samples complexity problem" (Expand search), "coder code samples complexity problem" (Expand search), "coder decoder sample complexity problem" (Expand search), "code code sample complexity problem" (Expand search), "decoder codec sample complexity problem" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ 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 coder sample complexity problem") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder sample complexity problem\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder sample complexity problem ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder sample complexity problem") OR ("in python python python programming"))*.