Perhaps you should try some spelling variations:
information requirements » nutrition requirements, irrigation requirements, information environments
information documents » information documentation, information agents
dispersion planet » dispersion janet, dispersion laser, dispersion part
based dispersion » wave dispersion, gas dispersion, based discussion
planet part » planets part, plant part, planet art

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