Perhaps you should try some spelling variations:
"coder coupling agent bilevel programming" » "mode coupling agent bilevel programming" (Expand search), "model coupling agent bilevel programming" (Expand search), "core coupling agent bilevel programming" (Expand search), "coder coupling and bilevel programming" (Expand search), "coder coupling agent level programming" (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 coupling agent bilevel programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coupling agent bilevel programming\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coupling agent bilevel programming ) OR ( api python python python programming ))*.