Perhaps you should try some spelling variations:
"coder coder or control problems" » "coder coder or control program" (Expand search), "coder decoder or control problems" (Expand search), "code code or control problems" (Expand search), "decoder codec or control problems" (Expand search), "coder coder var control problems" (Expand search), "coder coder lqr control problems" (Expand search), "coder coder motor control problems" (Expand search), "coder code or control problems" (Expand search), "coder order or control problems" (Expand search), "coder under or control 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 or control problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder or control problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder or control problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder or control problems") OR ("api python python python programming"))*.