Perhaps you should try some spelling variations:
"coder coder disk diffusion problem" » "coder coder disk diffusion process" (Expand search), "coder decoder disk diffusion problem" (Expand search), "code code disk diffusion problem" (Expand search), "decoder codec disk diffusion problem" (Expand search), "coder copper disk diffusion problem" (Expand search), "coder code risk diffusion problem" (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 coder disk diffusion problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder disk diffusion problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder disk diffusion problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder disk diffusion problem") OR ("api python python python programming"))*.