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