Perhaps you should try some spelling variations:
"coder coder space diffusion process" » "coder coder space diffusion processes" (Expand search), "coder coder spaces diffusion process" (Expand search), "coder coder state diffusion process" (Expand search), "coder coder surface diffusion process" (Expand search), "coder decoder space diffusion process" (Expand search), "code code space diffusion process" (Expand search), "decoder codec space diffusion process" (Expand search), "coder modern space diffusion process" (Expand search), "coder border space diffusion process" (Expand search), "coder color space 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder space diffusion process") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder space diffusion process\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder space diffusion process ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder space diffusion process") OR ("_ python python python programming"))*.