Perhaps you should try some spelling variations:
roman transport » romania transport, road transport, human transport
transport data » transport demand
data transfer » cash transfer, heat transfer
transfer auf » transfer aus, transfer a, transfer als
data asa » data data, data a, data als
e roman » de roman, _ roman, a roman
luis e » luis f, luis c
luis a » luis f, luis c
auf a » auf 2, auf 9, auf _

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( luis e roman transport data asa ) or ( luis a data transfer auf a ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( luis e roman transport data asa ) OR ( luis a data transfer auf a ))*.