Perhaps you should try some spelling variations:
irrigation requirements » irrigation equipment, nutrition requirements
requirements driven » requirements during
driven dimensional » five dimensional, mixed dimensional, fixed dimensional
arrays swarming » arrays searching, rats swarming, arrays bearing
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: irrigation requirements driven dimensional ((array string) or (arrays swarming))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: irrigation requirements driven dimensional ((array string) OR (arrays swarming)).
• Adding a wildcard symbol may retrieve word variants: irrigation requirements driven dimensional ((array string) or (arrays swarming))*.