Perhaps you should try some spelling variations:
"coder coder sample generation problem" » "coder coder sample penetration problems" (Expand search), "coder coder sample generating problems" (Expand search), "coder coder sample generation profile" (Expand search), "coder coder sample preservation problem" (Expand search), "coder coder template generation problem" (Expand search), "coder coder sample preparation problem" (Expand search), "coder modern sample generation problem" (Expand search), "coder cover samples generation problem" (Expand search), "coder code samples generation problem" (Expand search), "coder decoder sample generation problem" (Expand search), "code code sample generation problem" (Expand search), "decoder codec sample generation problem" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons 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 generation problem") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder sample generation problem\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder sample generation problem ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder sample generation problem") OR ("_ python python python programming"))*.