Perhaps you should try some spelling variations:
irrigation requirements » irrigation equipment, nutrition requirements
requirements based » requirements a
based dimensioning » based dimension, based dimensions, fast dimensioning
david lewin » david levine, david edwin, david leon
david lee » david l
david leo » david l

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 based dimensioning ((david lewin) or (((david lee) or (david leo))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: irrigation requirements based dimensioning ((david lewin) OR (((david lee) OR (david leo)))).
• Adding a wildcard symbol may retrieve word variants: irrigation requirements based dimensioning ((david lewin) or (((david lee) or (david leo))))*.