Perhaps you should try some spelling variations:
information requirements » nutrition requirements, irrigation requirements, information environments
requirements concerning » requirements combining, requirements modeling, requirements modelling
concerning professional » concerns professional, conversions professional, continuing professional
array string » array strong, arrays strings, array sharing
array using » arrays using

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "information requirements concerning professional ((array using) OR (array string))~".
• Adding a wildcard symbol may retrieve word variants: information requirements concerning professional ((array using) OR (array string))*.