Perhaps you should try some spelling variations:
"coder coder centered teaching proposal" » "coder coder centered learning proposal" (Expand search), "coder coder centered teaching process" (Expand search), "coder user centered teaching proposal" (Expand search), "coder care centered teaching proposal" (Expand search), "coder body centered teaching proposal" (Expand search), "coder decoder centered teaching proposal" (Expand search), "code code centered teaching proposal" (Expand search), "decoder codec centered 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 centered teaching proposal\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder centered teaching proposal ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder centered teaching proposal") OR ("api python python python programming"))*.