Perhaps you should try some spelling variations:
"coder coder independent programming problem" » "coder coder independent programming problems" (Expand search), "coder model independent programming problem" (Expand search), "coder over independent programming problem" (Expand search), "coder mode independent programming problem" (Expand search), "coder decoder independent programming problem" (Expand search), "code code independent programming problem" (Expand search), "decoder codec independent programming 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 independent programming problem") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder independent programming problem\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder independent programming problem ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder independent programming problem") OR ("_ python python python programming"))*.