Perhaps you should try some spelling variations:
formation documentation » information documentation, population documentation, formation segmentation
education documentation » communication documentation, information documentation
methods diffusion » networks diffusion, methods decision
diffusion rule » diffusion rate, diffusion bulk, diffusion rose
rule link » rules link, ule link, rule list

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((formation documentation) or (education documentation)) methods diffusion rule link~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((formation documentation) OR (education documentation)) methods diffusion rule link.
• Adding a wildcard symbol may retrieve word variants: ((formation documentation) or (education documentation)) methods diffusion rule link*.