Perhaps you should try some spelling variations:
"coder decoder scheme over programming" » "coder decoder scheme order programming" (Expand search), "coder decoder scheme user programming" (Expand search), "coder decoder scheme convex programming" (Expand search), "coder precoder scheme over programming" (Expand search), "coder code scheme over programming" (Expand search), "coder decoding schemes over programming" (Expand search), "encoder decoder scheme over programming" (Expand search), "coder decoder schemes over programming" (Expand search), "coder decoder schemas over programming" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python python python programming" (Expand search), "manim 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 over programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder scheme over programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder scheme over programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder scheme over programming") OR ("api python python python programming"))*.