Perhaps you should try some spelling variations:
"coder coder et diffusion problems" » "coder coder et diffusion problem" (Expand search), "coder coder et diffusion process" (Expand search), "coder coder jet diffusion problems" (Expand search), "coder coder heat diffusion problems" (Expand search), "coder coder _ diffusion problems" (Expand search), "coder decoder et diffusion problems" (Expand search), "code code et diffusion problems" (Expand search), "decoder codec et diffusion problems" (Expand search), "coder code at 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), "manim python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

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