Perhaps you should try some spelling variations:
irrigation requirements » irrigation equipment, nutrition requirements
requirements low » requirements c.w, requirements do, requirements cloud
low dimensional » two dimensional, one dimensional, multi dimensional
array string » arrays strings, array sharing, array forming
array strong » array sharing, 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 low dimensional ((array string) or (array strong))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: irrigation requirements low dimensional ((array string) OR (array strong)).
• Adding a wildcard symbol may retrieve word variants: irrigation requirements low dimensional ((array string) or (array strong))*.