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