Perhaps you should try some spelling variations:
transit system » transit systems, transport system, transport systems
des transfers » net transfers, cash transfers, arms transfers
transfers ein » transfers ai, transfers bei, transfers end
system can » systems can, system change
ein echo » ein recht, kind echo
guide a » guide _
guias e » guias de
e mass » _ mass, a mass, 1 mass
a des » a der, a das

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

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