Perhaps you should try some spelling variations:
information documents » information documentation, information agents, information requirements
documents coherent » documents current, documents component, documents concept
coherent detection » content detection, coherent electron, event detection
methods life » methods line, method life, methods like
method lisa » method linear, method laser

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 coherent detection ((((methods life) or (method lisa))) or (methods linear))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information documents coherent detection ((((methods life) OR (method lisa))) OR (methods linear)).
• Adding a wildcard symbol may retrieve word variants: information documents coherent detection ((((methods life) or (method lisa))) or (methods linear))*.