Perhaps you should try some spelling variations:
irrigation requirements » irrigation equipment, nutrition requirements
requirements case » requirements based, requirements a, requirements _
case dimensional » scale dimensional, use dimensional, vast dimensional
arrays string » arrays strings, array string, arrays sorting
array sharing » array string, arrays bearing, array imaging
array strong » array string, norway strong, stay strong

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

• Performing a fuzzy search may retrieve terms with similar spellings: irrigation requirements case dimensional ((arrays string) or (((array strong) or (array sharing))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: irrigation requirements case dimensional ((arrays string) OR (((array strong) OR (array sharing)))).
• Adding a wildcard symbol may retrieve word variants: irrigation requirements case dimensional ((arrays string) or (((array strong) or (array sharing))))*.