Perhaps you should try some spelling variations:
"coder decoder example from problems" » "encoder decoder example from problems" (Expand search), "coder decoder example from problem" (Expand search), "coder decoder example of problems" (Expand search), "coder decoder samples from 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder decoder example from problems") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder example from problems\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder example from problems ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder example from problems") OR ("in python python python programming"))*.