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