Perhaps you should try some spelling variations:
"coder coder caching protocol proposal" » "coder coder caching protocol protocolo" (Expand search), "coder coder teaching protocol proposal" (Expand search), "coder coder etching protocol proposal" (Expand search), "coder coder acting protocol proposal" (Expand search), "coder poder teaching protocol proposal" (Expand search), "coder code teaching protocol proposal" (Expand search), "coder code reaching protocol proposal" (Expand search), "coder decoder caching protocol proposal" (Expand search), "code code caching protocol proposal" (Expand search), "decoder codec caching protocol proposal" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 caching protocol proposal") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder caching protocol proposal\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder caching protocol proposal ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder caching protocol proposal") OR ("on python python python programming"))*.