Perhaps you should try some spelling variations:
information agents » information age, information access, information about
sergei expression » series expression, large expression, target expression
agents sergei » agents sri
array sharing » arrays bearing, array imaging, way sharing
array string » array strong, arrays strings, array forming
array using » arrays using

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

• Performing a fuzzy search may retrieve terms with similar spellings: information agents sergei expression ((((array sharing) or (array string))) or (array using))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: information agents sergei expression ((((array sharing) OR (array string))) OR (array using)).
• Adding a wildcard symbol may retrieve word variants: information agents sergei expression ((((array sharing) or (array string))) or (array using))*.