Perhaps you should try some spelling variations:
information documents » information documentation, information agents, information requirements
documents content » document content, documents context, document context
content detection » concept detection, content selection, content protection
methods based » method based, methods case, methods used
methods laue » methods large, methods laser, methods land
methods line » methods linear, methods linda, methods blind

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 content detection ((((methods laue) or (methods based))) or (methods line))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information documents content detection ((((methods laue) OR (methods based))) OR (methods line)).
• Adding a wildcard symbol may retrieve word variants: information documents content detection ((((methods laue) or (methods based))) or (methods line))*.