Perhaps you should try some spelling variations:
nutrient requirements » nutritional requirements
requirements social » requirements sock, requirements section, requirements capital
array imaging » arrays imaging, airway imaging, ray imaging
array arcing » array forming, array probing, array sharing
array string » array strong, arrays strings, array sharing

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

• Performing a fuzzy search may retrieve terms with similar spellings: nutrient requirements social dimensions ((((array arcing) or (array imaging))) or (array string))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nutrient requirements social dimensions ((((array arcing) OR (array imaging))) OR (array string)).
• Adding a wildcard symbol may retrieve word variants: nutrient requirements social dimensions ((((array arcing) or (array imaging))) or (array string))*.