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