Perhaps you should try some spelling variations:
"coder coder decoding teaching proposal" » "coder coder reading teaching proposal" (Expand search), "coder coder doing teaching proposal" (Expand search), "coder coder decoding reading proposal" (Expand search), "coder coder decoding teaching process" (Expand search), "coder coding decoding teaching proposal" (Expand search), "coder coder decoder teaching proposal" (Expand search), "coder barcode decoding teaching proposal" (Expand search), "coder decoder decoding teaching proposal" (Expand search), "code code decoding teaching proposal" (Expand search), "decoder codec decoding teaching 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.

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