Perhaps you should try some spelling variations:
"coder coder user subroutines problems" » "coder coder user routine problems" (Expand search), "coder coder user routing problems" (Expand search), "coder coder user routines problems" (Expand search), "coder decoder user subroutines problems" (Expand search), "code code user subroutines problems" (Expand search), "decoder codec user subroutines problems" (Expand search), "coder poder usar subroutines problems" (Expand search), "coder code use subroutines problems" (Expand search), "coder codes used subroutines 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 user subroutines problems") OR ("manim python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder user subroutines problems\") OR (\"manim python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder user subroutines problems ) OR ( manim python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder user subroutines problems") OR ("manim python python python programming"))*.