Perhaps you should try some spelling variations:
"coder coder scheduling integer programming" » "coder coder scheduling linear programming" (Expand search), "coder order scheduling integer programming" (Expand search), "coder power scheduling integer programming" (Expand search), "coder model scheduling integer programming" (Expand search), "coder decoder scheduling integer programming" (Expand search), "code code scheduling integer programming" (Expand search), "decoder codec scheduling integer programming" (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 scheduling integer programming") OR ("manim python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder scheduling integer programming\") OR (\"manim python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder scheduling integer programming ) OR ( manim python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder scheduling integer programming") OR ("manim python python python programming"))*.