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