Perhaps you should try some spelling variations:
"coder coder coding sample problem" » "coder coder coding complex problem" (Expand search), "coder coder coding same problems" (Expand search), "coder coder working sample problem" (Expand search), "coder coder fading samples problem" (Expand search), "coder coder using sample problem" (Expand search), "coder modern coding sample problem" (Expand search), "coder color coding sample problem" (Expand search), "coder odor coding sample problem" (Expand search), "coder decoder coding sample problem" (Expand search), "code code coding sample problem" (Expand search), "decoder codec coding sample 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.

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