Perhaps you should try some spelling variations:
"coder coder pattern _ problem" » "coder cover pattern _ problem" (Expand search), "coder cover patterns _ problem" (Expand search), "coder powder pattern _ problem" (Expand search), "coder decoder pattern _ problem" (Expand search), "code code pattern _ problem" (Expand search), "decoder codec pattern _ problem" (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 pattern _ problem") OR ("manim python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder pattern _ problem\") OR (\"manim python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder pattern _ problem ) OR ( manim python python python programming ))*.