Perhaps you should try some spelling variations:
"coder coder chen wangting problem" » "coder coder chen weighting problem" (Expand search), "coder coder chen halting problem" (Expand search), "coder coder chen landing problem" (Expand search), "coder coder chen hangping problem" (Expand search), "coder coder chen yanling problem" (Expand search), "coder coder been wanting problem" (Expand search), "coder decoder chen wangting problem" (Expand search), "code code chen wangting problem" (Expand search), "decoder codec chen wangting problem" (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 coder chen wangting problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder chen wangting problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder chen wangting problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder chen wangting problem") OR ("api python python python programming"))*.