Perhaps you should try some spelling variations:
"coder coder based functions problems" » "coder coder based functional problems" (Expand search), "coder coder based fractional problems" (Expand search), "coder coder based conditions problems" (Expand search), "coder coder base functions problems" (Expand search), "coder coder basis functions problems" (Expand search), "coder decoder based functions problems" (Expand search), "code code based functions problems" (Expand search), "decoder codec based functions problems" (Expand search), "coder code based functions problems" (Expand search), "coder foder based functions problems" (Expand search), "coder codec based functions problems" (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 based functions problems") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder based functions problems\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder based functions problems ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder based functions problems") OR ("_ python python python programming"))*.