Perhaps you should try some spelling variations:
"coder decoder discourse routing protocol" » "coder gender discourse routing protocol" (Expand search), "coder code discourse routing protocol" (Expand search), "coder coded discourse routing protocol" (Expand search), "coder decoder discourse reading protocol" (Expand search), "coder decoder discourse writing protocol" (Expand search), "coder decoder discourse during protocol" (Expand search), "coder decoder discourse routing protocols" (Expand search), "coder decoder discourse training protocol" (Expand search), "encoder decoder discourse routing protocol" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder discourse routing protocol\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder decoder discourse routing protocol ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder decoder discourse routing protocol") OR ("api python python python programming"))*.