Perhaps you should try some spelling variations:
information agents » information age, information access, information about
greenlaw steven » green steven
depth decision » death decisions, health decision, depth design
data decisions » data decision, death decisions, fate decisions
goren steven » golen steven, gordon steven, cohen steven

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

• Performing a fuzzy search may retrieve terms with similar spellings: information agents ((depth decision) or (data decisions)) ((goren steven) or (greenlaw steven))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information agents ((depth decision) OR (data decisions)) ((goren steven) OR (greenlaw steven)).
• Adding a wildcard symbol may retrieve word variants: information agents ((depth decision) or (data decisions)) ((goren steven) or (greenlaw steven))*.