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