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