Perhaps you should try some spelling variations:
"coder coder decoding sample problem" » "coder coder decoding stimuli problem" (Expand search), "coder coding decoding sample problem" (Expand search), "coder coder decoder sample problem" (Expand search), "coder barcode decoding sample problem" (Expand search), "coder coder decoding complex problem" (Expand search), "coder coder decoding same problems" (Expand search), "coder decoder decoding sample problem" (Expand search), "code code decoding sample problem" (Expand search), "decoder codec decoding sample problem" (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 coder decoding sample problem") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder decoding sample problem\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder decoding sample problem ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder decoding sample problem") OR ("in python python python programming"))*.