Perhaps you should try some spelling variations:
"coder coder course allocation problem" » "coder coder course location problem" (Expand search), "coder coder court allocation problem" (Expand search), "coder coder counter allocation problem" (Expand search), "coder coder esource allocation problem" (Expand search), "coder lower course allocation problem" (Expand search), "coder borders course allocation problem" (Expand search), "coder milder course allocation problem" (Expand search), "coder decoder course allocation problem" (Expand search), "code code course allocation problem" (Expand search), "decoder codec course allocation 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 course allocation problem") OR ("manim python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder course allocation problem\") OR (\"manim python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder course allocation problem ) OR ( manim python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder course allocation problem") OR ("manim python python python programming"))*.