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 based system proposal" » "coder coder based systems proposal" (Expand search), "coder decoder based system proposal" (Expand search), "code code based system proposal" (Expand search), "decoder codec based system proposal" (Expand search), "coder code based system proposal" (Expand search), "coder foder based system proposal" (Expand search), "coder codec based system proposal" (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 based system proposal") OR ("via python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder based system proposal\") OR (\"via python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder based system proposal ) OR ( via python python python programming ))*.