Perhaps you should try some spelling variations:
"coder coder sampling protocol proposal" » "coder coder sampling protocol protocolo" (Expand search), "coder under sampling protocol proposal" (Expand search), "coder over sampling protocol proposal" (Expand search), "coder core sampling protocol proposal" (Expand search), "coder decoder sampling protocol proposal" (Expand search), "code code sampling protocol proposal" (Expand search), "decoder codec sampling protocol proposal" (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: (("coder coder sampling protocol proposal") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder sampling protocol proposal\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder sampling protocol proposal ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder sampling protocol proposal") OR ("_ python python python programming"))*.