Perhaps you should try some spelling variations:
"coder coder space allocation problem" » "coder coder space location problem" (Expand search), "coder coder pole allocation problem" (Expand search), "coder coder space applications problem" (Expand search), "coder coder space exploration problem" (Expand search), "coder decoder space allocation problem" (Expand search), "code code space allocation problem" (Expand search), "decoder codec space allocation problem" (Expand search), "coder modern space allocation problem" (Expand search), "coder border space allocation problem" (Expand search), "coder color space allocation 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 space allocation problem") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder space allocation problem\") OR (\"_ python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder space allocation problem ) OR ( _ python python python programming ))*.