Perhaps you should try some spelling variations:
"coder coder containing teaching proposal" » "coder coder continuing teaching proposal" (Expand search), "coder coder training teaching proposal" (Expand search), "coder coder continued teaching proposal" (Expand search), "coder coder containing teaching process" (Expand search), "coder copper containing teaching proposal" (Expand search), "coder powder containing teaching proposal" (Expand search), "coder model containing teaching proposal" (Expand search), "coder decoder containing teaching proposal" (Expand search), "code code containing teaching proposal" (Expand search), "decoder codec containing teaching proposal" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ python 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 containing teaching proposal") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder containing teaching proposal\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder containing teaching proposal ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder containing teaching proposal") OR ("in python python python programming"))*.