Perhaps you should try some spelling variations:
"coder coder code diffusion problems" » "coder coder code diffusion problem" (Expand search), "coder coder code diffusion process" (Expand search), "coder coder node diffusion problems" (Expand search), "coder coder co diffusion problems" (Expand search), "coder coder co2 diffusion problems" (Expand search), "coder decoder code diffusion problems" (Expand search), "code code code diffusion problems" (Expand search), "decoder codec code diffusion problems" (Expand search), "code coder code diffusion problems" (Expand search), "modern coder code diffusion problems" (Expand search), "color coder code diffusion problems" (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)

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 code diffusion problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder code diffusion problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder code diffusion problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder code diffusion problems") OR ("api python python python programming"))*.