Perhaps you should try some spelling variations:
de africa's » did africa's, _ africa's, 2 africa's
transfers b » transfers _, transfers 3, transfers 2
aguas del » aguas do
aguas de » aguas do, vagues de, agua e
del cash » del caso, does cash, debt cash
note a » note _, note 1
note 2 » note _, note 1

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: (( aguas de africa's transport ((note a) OR (note 2)) ) OR ( aguas del cash transfers b a ))~.
• Adding a wildcard symbol may retrieve word variants: (( aguas de africa's transport ((note a) or (note 2)) ) or ( aguas del cash transfers b a ))*.