Perhaps you should try some spelling variations:
information requirements » nutrition requirements, irrigation requirements, information environments
information documents » information documentation, information agents
decisions lesions » decisions lessons, decision lessons, decisions decisions
death decisions » health decisions, data decisions, depth decision
lesions liver » lesions laser, lesions after

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) or (information requirements)) death decisions lesions liver~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((information documents) OR (information requirements)) death decisions lesions liver.
• Adding a wildcard symbol may retrieve word variants: ((information documents) or (information requirements)) death decisions lesions liver*.