Perhaps you should try some spelling variations:
"coder coder complexity teaching proposal" » "coder coder complexity thinking proposal" (Expand search), "coder coder complementary teaching proposal" (Expand search), "coder coder complexity teaching process" (Expand search), "coder code complexity teaching proposal" (Expand search), "coder model complexity teaching proposal" (Expand search), "coder lower complexity teaching proposal" (Expand search), "coder decoder complexity teaching proposal" (Expand search), "code code complexity teaching proposal" (Expand search), "decoder codec complexity teaching proposal" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python 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 complexity teaching proposal\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder complexity teaching proposal ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder complexity teaching proposal") OR ("api python python python programming"))*.