Perhaps you should try some spelling variations:
"coder cladding in sparse coding" » "core cladding in sparse coding" (Expand search), "laser cladding in sparse coding" (Expand search), "outer cladding in sparse coding" (Expand search), "coder cladding on sparse coding" (Expand search), "coder cladding and sparse coding" (Expand search), "coder cladding _ sparse coding" (Expand search), "coder cladding in space coding" (Expand search), "coder cladding of sparse 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 cladding in sparse coding") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder cladding in sparse coding\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder cladding in sparse coding ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder cladding in sparse coding") OR ("api python python python programming"))*.