Perhaps you should try some spelling variations:
cities transformed » crisis transformed, activists transformed
transformed a » transformed _, transformed 1, transformer 1
transport a » transport _, transport data
de cities » do cities, did cities, 2 cities
aguas de » aguas del, aguas do, vagues de
guide a » guide _
a macao » a macro, _ macao
a bus » a bush, a busy, _ bus
a cao » a car, a cat, a ceo

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 a bus transport a cao ) OR ( aguas de cities transformed a macao ))~.
• Adding a wildcard symbol may retrieve word variants: (( guide a bus transport a cao ) or ( aguas de cities transformed a macao ))*.