Perhaps you should try some spelling variations:
"coder coder number theory problems" » "coder coder number theory problem" (Expand search), "coder coder number their problems" (Expand search), "coder coder number therapy problems" (Expand search), "coder coder queer theory problems" (Expand search), "coder cover number theory problems" (Expand search), "coder codes numbers theory problems" (Expand search), "coder over number theory problems" (Expand search), "coder decoder number theory problems" (Expand search), "code code number theory problems" (Expand search), "decoder codec number theory 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 number theory problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder number theory problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder number theory problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder number theory problems") OR ("api python python python programming"))*.