Perhaps you should try some spelling variations:
"coder coder on diffusion process" » "coder coder on diffusion processes" (Expand search), "coder coder and diffusion process" (Expand search), "coder coder _ diffusion process" (Expand search), "coder coder oxygen diffusion process" (Expand search), "coder decoder on diffusion process" (Expand search), "code code on diffusion process" (Expand search), "decoder codec on diffusion process" (Expand search), "coder code on diffusion process" (Expand search), "coder codes on diffusion process" (Expand search), "coder powder on diffusion process" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons 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 on diffusion process\") OR (\"_ python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder on diffusion process ) OR ( _ python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder on diffusion process") OR ("_ python python python programming"))*.