Perhaps you should try some spelling variations:
irrigation requirements » irrigation equipment, nutrition requirements
requirements can » requirements chain, requirements case, requirements a
can dimensional » many dimensional, n dimensional, a dimensional
array forming » array format, array arcing, array fermi
array string » arrays strings, array sharing, array using
array strong » array sharing, norway strong, stay strong

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 can dimensional ((((array string) OR (array forming))) OR (array strong))~.
• Adding a wildcard symbol may retrieve word variants: irrigation requirements can dimensional ((((array string) or (array forming))) or (array strong))*.