Perhaps you should try some spelling variations:
information document » information documents, information documentation, information department
concepts detection » concept detection, concepts selection, contents detection
document concepts » document context, document content, movement concepts
methods laser » methods case, methods based, methods user
methods laue » methods large, methods land, methods lata
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 document concepts detection ((((methods laue) or (methods laser))) or (methods line))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information document concepts detection ((((methods laue) OR (methods laser))) OR (methods line)).
• Adding a wildcard symbol may retrieve word variants: information document concepts detection ((((methods laue) or (methods laser))) or (methods line))*.