Perhaps you should try some spelling variations:
information documents » information documentation, information agents, information requirements
documents health » documenting health, movements health, documents data
health decision » health design, health education
david walker » david parker, dandy walker, david warren
david wave » david wake, david weaver, david waite
david cass » david carr

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

• Performing a fuzzy search may retrieve terms with similar spellings: information documents health decision ((david wave) or (((david walker) or (david cass))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information documents health decision ((david wave) OR (((david walker) OR (david cass)))).
• Adding a wildcard symbol may retrieve word variants: information documents health decision ((david wave) or (((david walker) or (david cass))))*.