Perhaps you should try some spelling variations:
information documents » information documentation, information agents, information requirements
regression method » regression methods, compression method
via regression » a regression, ii regression, iii regression
documents via » documents aia, documents a, documents find
method limm » method limit, method lisa, method lamp

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 via regression method limm~.
• Adding a wildcard symbol may retrieve word variants: information documents via regression method limm*.