Perhaps you should try some spelling variations:
transport signal » transform signal, transport design, transport annual
role transport » road transport, le transport, mule transport
land transfer » land transfers, land transport, funds transfer
signal 3 » signals 3, signal _, signal 4
bias der » bias des, bias over, das der
der land » der lander, der landes, der lange
arts 7 » arts 17, arts _, arts 4
7 role » 3 role, 4 role, 2 role

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: (( arts 7 role transport signal 3 ) OR ( bias der land transfer _ case ))~.
• Adding a wildcard symbol may retrieve word variants: (( arts 7 role transport signal 3 ) or ( bias der land transfer _ case ))*.