Perhaps you should try some spelling variations:
transit systems » transport systems, transport system
des transfers » net transfers, cash transfers, arms transfers
transfers ein » transfers ai, transfers bei, transfers end
data transit » data transport, data transfer, mass transit
systems can » systems case
ein echo » ein recht, kind echo
guias e » guias de
e data » e datas, age data, cge data

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( guide _ des transfers ein echo ) or ( guias e data transit systems can ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( guide _ des transfers ein echo ) OR ( guias e data transit systems can ))*.