Perhaps you should try some spelling variations:
"via python python python programming" » "via pythons python python programming" (Expand search), "via piton python python programming" (Expand search), "via pitons python python programming" (Expand search), "in python python python programming" (Expand search)
"coder coder and communication protocol" » "coder decoder and communication protocol" (Expand search), "code code and communication protocol" (Expand search), "decoder codec and communication protocol" (Expand search), "coder code and communication protocol" (Expand search), "coder codes and communication protocol" (Expand search), "coder poder and communication protocol" (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 and communication protocol") OR ("via python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder and communication protocol\") OR (\"via python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder and communication protocol ) OR ( via python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder and communication protocol") OR ("via python python python programming"))*.