Perhaps you should try some spelling variations:
cities transformed » crisis transformed, activists transformed
transport a » transport _, transport data
did cities » big cities, six cities, do cities
aguas did » aguas de, aguas del, aguas do
guide de » guide _, guide a, guide 1
a macao » a macro
_ macao » _ macro
de bus » de boues, de busca
a cat » _ cat, a car

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: (( guide de bus transport a cat ) OR ( aguas did cities transformed ((a macao) OR (_ macao)) ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( guide de bus transport a cat ) or ( aguas did cities transformed ((a macao) OR (_ macao)) ))~".
• Adding a wildcard symbol may retrieve word variants: (( guide de bus transport a cat ) or ( aguas did cities transformed ((a macao) OR (_ macao)) ))*.