Perhaps you should try some spelling variations:
debtor transfers » sector transfers, labor transfers, der transfers
transport can » transport a, transport cost, transport data
a africa's » _ africa's, 2 africa's, 5 africa's
de debtor » _ debtor, a debtor
luis de » luis e
luis a » luis f, luis c

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: (( luis de debtor transfers _ acao ) OR ( luis a africa's transport can (cmacao OR macao) ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis de debtor transfers _ acao ) or ( luis a africa's transport can (cmacao or macao) ))*.