Perhaps you should try some spelling variations:
flow transformed » law transformed, labor transformed, _ transformed
transport rate » transport rates, transport water, transport later
rate across » trade across, water across, care across
4.2 salt » 4.2.3 salt, 4.2 small, 18.2 salt
2 salt » _ salt, 2.1 salt
mail » main

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( agua ((2 salt) OR (4.2 salt)) transport rate across ) OR ( agua mail flow transformed _ acao ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( agua ((2 salt) OR (4.2 salt)) transport rate across ) or ( agua mail flow transformed _ acao ))~".
• Adding a wildcard symbol may retrieve word variants: (( agua ((2 salt) OR (4.2 salt)) transport rate across ) or ( agua mail flow transformed _ acao ))*.