Perhaps you should try some spelling variations:
"coder coder sampling used problems" » "coder under sampling used problems" (Expand search), "coder over sampling used problems" (Expand search), "coder core sampling used problems" (Expand search), "coder coder sampling based problems" (Expand search), "coder coder sampling using problems" (Expand search), "coder coder sampling under problems" (Expand search), "coder coder sampling use problems" (Expand search), "coder coder sampling user problems" (Expand search), "coder coder sampling posed problems" (Expand search), "coder decoder sampling used problems" (Expand search), "code code sampling used problems" (Expand search), "decoder codec sampling used problems" (Expand search)
"manim python python python programming" » "manim pythons python python programming" (Expand search), "manim piton python python programming" (Expand search), "manim pitons python python programming" (Expand search), "monty python python python programming" (Expand search), "api 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 sampling used problems") OR ("manim python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder sampling used problems\") OR (\"manim python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder sampling used problems ) OR ( manim python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder sampling used problems") OR ("manim python python python programming"))*.