Perhaps you should try some spelling variations:
nutrient requirements » nutritional requirements
requirements papers » requirements patterns, requirements patents, requirements part
papers dimensional » zero dimensional, lower dimensional, hands dimensional
array forming » array format, array arcing, array fermi
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 papers dimensional ((array string) or (((arrays using) or (array forming))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nutrient requirements papers dimensional ((array string) OR (((arrays using) OR (array forming)))).
• Adding a wildcard symbol may retrieve word variants: nutrient requirements papers dimensional ((array string) or (((arrays using) or (array forming))))*.