Perhaps you should try some spelling variations:
"coder coder teaching test problems" » "coder code teaching test problems" (Expand search), "coder poder teaching test problems" (Expand search), "coder model teaching test problems" (Expand search), "coder coder teaching tests problems" (Expand search), "coder coder teaching text problems" (Expand search), "coder coder leaching test problems" (Expand search), "coder coder teaching salt problems" (Expand search), "coder coder teaching nesting problems" (Expand search), "coder decoder teaching test problems" (Expand search), "code code teaching test problems" (Expand search), "decoder codec teaching test 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 teaching test problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder teaching test problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder teaching test problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder teaching test problems") OR ("api python python python programming"))*.