Perhaps you should try some spelling variations:
"coder diffusion by coding program" » "copper diffusion by coding program" (Expand search), "order diffusion by coding program" (Expand search), "node diffusion by coding program" (Expand search), "coder diffusion by cloning program" (Expand search), "coder diffusion by loading program" (Expand search), "coder diffusion by cooling programs" (Expand search), "coder diffusion in coding program" (Expand search), "coder diffusion _ coding program" (Expand search), "coder diffusion and coding program" (Expand search), "coder diffusion by codoping program" (Expand search), "coder diffusion by cooling program" (Expand search), "coder diffusion by coating program" (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 diffusion by coding program") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder diffusion by coding program\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder diffusion by coding program ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder diffusion by coding program") OR ("_ python python python programming"))*.