Perhaps you should try some spelling variations:
transit systems » transport systems, transport system
systems poverty » systems property, states poverty, systems power
a transformed » _ transformed, _ transformer, a transforming
new transit » de transit, der transit, how transit
de macao » de macau, de marcas, _ macao
e new » de new, _ new, a new
et a » et al, et la, e a
macao » mcacao, mcao
acao » cacao, cao

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 e new transit systems poverty ) OR ( agua et a transformed ((de macao) OR (de acao)) ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( agua e new transit systems poverty ) or ( agua et a transformed ((de macao) OR (de acao)) ))~".
• Adding a wildcard symbol may retrieve word variants: (( agua e new transit systems poverty ) or ( agua et a transformed ((de macao) OR (de acao)) ))*.