Perhaps you should try some spelling variations:
"precoding in python python code" » "precoding in pythons python code" (Expand search), "precoding in piton python code" (Expand search), "precoding in pitons python code" (Expand search), "precoding and python python code" (Expand search), "recording in python python code" (Expand search), "decoding in python python code" (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: (("precoding in python python code") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"precoding in python python code\") OR (\"_ python python python programming\"))*".
• Removing quotes may allow a broader search: (( precoding in python python code ) OR ( _ python python python programming ))*.