Perhaps you should try some spelling variations:
"coder coder data compression problem" » "coder coder data comprehnsion problem" (Expand search), "coder coder data comprehension problem" (Expand search), "coder coder data completion problem" (Expand search), "coder decoder data compression problem" (Expand search), "code code data compression problem" (Expand search), "decoder codec data compression problem" (Expand search), "coder cover data compression problem" (Expand search), "coder code data compression problem" (Expand search), "coder border data compression 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 data compression problem") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder data compression problem\") OR (\"_ python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder data compression problem ) OR ( _ python python python programming ))*.