Perhaps you should try some spelling variations:
"coder coder decoder based propagation" » "coder coder decoder varied propagation" (Expand search), "coder coder decoder and propagation" (Expand search), "coder coder decoder back propagation" (Expand search), "coder encoder decoder based propagation" (Expand search), "coder coder recorder based propagation" (Expand search), "coder coder disorder based propagation" (Expand search), "coder coder decoder faster propagation" (Expand search), "code code decoder based propagation" (Expand search), "decoder codec decoder based propagation" (Expand search), "codesc poder decoder based propagation" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa 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 decoder based propagation") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder decoder based propagation\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder decoder based propagation ) OR ( api python python python programming ))*.