Perhaps you should try some spelling variations:
"coder coder based bilevel programming" » "coder coder based level programming" (Expand search), "coder coder base level programming" (Expand search), "coder coder based biofuel programming" (Expand search), "coder decoder based bilevel programming" (Expand search), "code code based bilevel programming" (Expand search), "decoder codec based bilevel programming" (Expand search), "coder code based bilevel programming" (Expand search), "coder foder based bilevel programming" (Expand search), "coder codec based bilevel 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 coder based bilevel programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder based bilevel programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder based bilevel programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder based bilevel programming") OR ("api python python python programming"))*.