Perhaps you should try some spelling variations:
information documents » information documentation, information agents, information requirements
documents depth » documents data, documents etc, documents et
depth decision » death decisions, health decision, depth design
david wave » david weaver, david waite, david ward
david wake » david cake, david walker, david oakes

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 depth decision ((david wave) or (david wake))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information documents depth decision ((david wave) OR (david wake)).
• Adding a wildcard symbol may retrieve word variants: information documents depth decision ((david wave) or (david wake))*.