Perhaps you should try some spelling variations:
"coder decoder under sparse coding" » "encoder decoder under sparse coding" (Expand search), "coder decades under sparse coding" (Expand search), "coder disorder under sparse coding" (Expand search), "coder code under sparse coding" (Expand search), "coder decoder under scarce coding" (Expand search), "coder decoder under space coding" (Expand search), "coder decoder under shade coding" (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 under sparse coding") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder under sparse coding\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder under sparse coding ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder under sparse coding") OR ("api python python python programming"))*.