Perhaps you should try some spelling variations:
information documents » information documentation, information agents, information requirements
documents after » documents posters, documents algebra, documents entered
functions ernst » functions ferns, functions event, functions esf
functions error » functions entire
functions e.l » functions esf, functions ecole, functions euler

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 after ((functions ernst) OR (((functions e.l) OR (functions error)))) give~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "information documents after ((functions ernst) OR (((functions e.l) OR (functions error)))) give".
• Adding a wildcard symbol may retrieve word variants: information documents after ((functions ernst) OR (((functions e.l) OR (functions error)))) give*.