Perhaps you should try some spelling variations:
information documentation » international documentation, information presentation, information documents
documentation pr » documentation nrc, documentation sur, documentation _
functions euler » functions e.l, functions ecole, functions egfr
functions error » functions entire
functions esf » functions egfr, functions e, functions e.l

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: information documentation pr ((((functions esf) or (functions euler))) or (functions error)) gives~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information documentation pr ((((functions esf) OR (functions euler))) OR (functions error)) gives.
• Adding a wildcard symbol may retrieve word variants: information documentation pr ((((functions esf) or (functions euler))) or (functions error)) gives*.