Perhaps you should try some spelling variations:
"coder coder with teaching proposal" » "coder coder with teaching process" (Expand search), "coder coder math teaching proposal" (Expand search), "coder coder with teachers proposal" (Expand search), "coder decoder with teaching proposal" (Expand search), "code code with teaching proposal" (Expand search), "decoder codec with teaching proposal" (Expand search), "coder codes with teaching proposal" (Expand search), "coder code with teaching proposal" (Expand search), "coder cover with teaching proposal" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 with teaching proposal") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder with teaching proposal\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder with teaching proposal ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder with teaching proposal") OR ("on python python python programming"))*.