Perhaps you should try some spelling variations:
"coder coder oxide optimization problems" » "coder coder online optimization problems" (Expand search), "coder coder time optimization problems" (Expand search), "coder coder size optimization problems" (Expand search), "coder decoder oxide optimization problems" (Expand search), "code code oxide optimization problems" (Expand search), "decoder codec oxide optimization problems" (Expand search), "coder copper oxide optimization problems" (Expand search), "coder copper oxides optimization problems" (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 oxide optimization problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder oxide optimization problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder oxide optimization problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder oxide optimization problems") OR ("api python python python programming"))*.