Perhaps you should try some spelling variations:
rural transport » road transport, rail transport
social transfer » social transfers
rate rural » rates rural, state rural, rate real
costs cash » costs case
del social » deal social, model social, bell social
aguas del » aguas de, aguas do
gua rate » a rate, gap rate
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 rural transport costs cash ) OR ( aguas del social transfer ((de com) OR (de como)) ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( gua rate rural transport costs cash ) or ( aguas del social transfer ((de com) OR (de como)) ))~".
• Adding a wildcard symbol may retrieve word variants: (( gua rate rural transport costs cash ) or ( aguas del social transfer ((de com) OR (de como)) ))*.