Perhaps you should try some spelling variations:
"coder coder in samples problem" » "coder coder in sample problem" (Expand search), "coder coder in sample problems" (Expand search), "coder coder in families problem" (Expand search), "coder decoder in samples problem" (Expand search), "code code in samples problem" (Expand search), "decoder codec in samples problem" (Expand search), "coder code in samples problem" (Expand search), "coder codes in samples problem" (Expand search), "coder poder in samples 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 in samples problem\") OR (\"_ python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder in samples problem ) OR ( _ python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder in samples problem") OR ("_ python python python programming"))*.