Perhaps you should try some spelling variations:
safe transport » free transport, de transport, car transport
sea transport » road transport, bus transport
langues de » langue de, langages de, langue du
costs land » cost land, costly land, costs canada
bias der » bias des, bias over, das der
der safe » der sanfte, der saale, der sache
de sea » de ses, de ser

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: (( langues de sea transport costs land ) OR ( bias der safe transport _ a ))~.
• Adding a wildcard symbol may retrieve word variants: (( langues de sea transport costs land ) or ( bias der safe transport _ a ))*.