Perhaps you should try some spelling variations:
"coder coder optimization based problem" » "coder code optimization based problem" (Expand search), "coder modern optimization based problem" (Expand search), "coder powder optimization based problem" (Expand search), "coder coder optimization and problem" (Expand search), "coder coder optimization based problems" (Expand search), "coder coder optimization based probe" (Expand search), "coder coder optimization posed problem" (Expand search), "coder decoder optimization based problem" (Expand search), "code code optimization based problem" (Expand search), "decoder codec optimization based 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 optimization based problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder optimization based problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder optimization based problem ) OR ( api python python python programming ))*.