Perhaps you should try some spelling variations:
"coder precoder since teaching proposal" » "coder precoder since teaching process" (Expand search), "coder decoder since teaching proposal" (Expand search), "coder precoder science teaching proposal" (Expand search), "coder precoder silence teaching proposal" (Expand search), "coder precoder single 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), "manim 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 precoder since teaching proposal") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder since teaching proposal\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder since teaching proposal ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder since teaching proposal") OR ("api python python python programming"))*.