Perhaps you should try some spelling variations:
labor transformed » law transformed, sector transformed, labor transfers
a transfer » cash transfer, heat transfer, data transfer
risk cross » risk across, risks cross, risks across
real labor » rural labor, dual labor, dead labor
1 cao » 1 can, 1 ao, _ cao
3 can » _ can

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 _ a transfer risk cross ) OR ( agua real labor transformed ((1 cao) OR (3 can)) ))~.
• Adding a wildcard symbol may retrieve word variants: (( agua _ a transfer risk cross ) or ( agua real labor transformed ((1 cao) or (3 can)) ))*.