Perhaps you should try some spelling variations:
social transfer » social transfers
rail transport » road transport
costs cash » costs case
rate rail » rate ratio, rate real, rail rail
de social » die social, code social, age social
gua rate » a rate, gap rate
aguas de » aguas del, aguas do, vagues de
como » come

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: (( gua rate rail transport costs cash ) OR ( aguas de social transfer ((de com) OR (de como)) ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( gua rate rail transport costs cash ) or ( aguas de social transfer ((de com) OR (de como)) ))~".
• Adding a wildcard symbol may retrieve word variants: (( gua rate rail transport costs cash ) or ( aguas de social transfer ((de com) OR (de como)) ))*.