Perhaps you should try some spelling variations:
"coder coder coverage programmed pruning" » "coder coder coverage program pruning" (Expand search), "coder coder coverage programmed learning" (Expand search), "coder coder coverage programmed freezing" (Expand search), "coder coder coverage programme during" (Expand search), "coder code coverage programmed pruning" (Expand search), "coder cancer coverage programmed pruning" (Expand search), "coder center coverage programmed pruning" (Expand search), "coder decoder coverage programmed pruning" (Expand search), "code code coverage programmed pruning" (Expand search), "decoder codec coverage programmed pruning" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder coverage programmed pruning\") OR (\"_ python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder coverage programmed pruning ) OR ( _ python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder coverage programmed pruning") OR ("_ python python python programming"))*.