Perhaps you should try some spelling variations:
information events » information agents, formation events, information elements
events problems » tests problems, aspects problems
functions error » functions entire
functions euler » functions e.l, functions ecole, functions egfr
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 events problems ((((functions esf) or (functions error))) or (functions euler)) lines~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information events problems ((((functions esf) OR (functions error))) OR (functions euler)) lines.
• Adding a wildcard symbol may retrieve word variants: information events problems ((((functions esf) or (functions error))) or (functions euler)) lines*.