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