Perhaps you should try some spelling variations:
irrigation requirements » irrigation equipment, nutrition requirements
requirements meta » requirements data, requirements m.a, requirements meet
meta dimensional » data dimensional, multi dimensional, extra dimensional
vector like » factor like, receptor like, vector spline
vector site » vector state, vector sta, vector system

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 meta dimensional ((vector like) OR (vector site))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "irrigation requirements meta dimensional ((vector like) OR (vector site))".
• Adding a wildcard symbol may retrieve word variants: irrigation requirements meta dimensional ((vector like) OR (vector site))*.