Perhaps you should try some spelling variations:
irrigation requirements » irrigation equipment, nutrition requirements
requirements zero » requirements z, requirements do, requirements emi
zero dimensional » two dimensional, three dimensional, one dimensional
array forming » array format, array arcing, array fermi
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: irrigation requirements zero dimensional ((array forming) OR (((array using) OR (array string))))~.
• Adding a wildcard symbol may retrieve word variants: irrigation requirements zero dimensional ((array forming) or (((array using) or (array string))))*.