Perhaps you should try some spelling variations:
"coder decoder scheme in programing" » "coder precoder scheme in programing" (Expand search), "coder code scheme in programing" (Expand search), "coder decoding schemes in programing" (Expand search), "encoder decoder scheme in programing" (Expand search), "coder decoder scheme in programming" (Expand search), "coder decoder scheme line programing" (Expand search), "coder decoder scheme on programming" (Expand search), "coder decoder schemes in programing" (Expand search), "coder decoder scheme _ programing" (Expand search), "coder decoder theme in programing" (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 scheme in programing") OR ("manim python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder scheme in programing\") OR (\"manim python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder scheme in programing ) OR ( manim python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder scheme in programing") OR ("manim python python python programming"))*.