Perhaps you should try some spelling variations:
"coder coder decoder open problems" » "coder encoder decoder open problems" (Expand search), "coder coder decoder on problems" (Expand search), "coder coder decoder model problems" (Expand search), "coder coder decoder codec problems" (Expand search), "coder coder decoder in problems" (Expand search), "code code decoder open problems" (Expand search), "decoder codec decoder open problems" (Expand search), "codesc poder decoder open problems" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ python 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 decoder open problems\") OR (\"in python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder decoder open problems ) OR ( in python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder decoder open problems") OR ("in python python python programming"))*.