Perhaps you should try some spelling variations:
transport rates » transport strategy, transport access, transport strategies
ser transport » sea transport, air transport, de transport
transfers 6 » transfers _, transfers 3, transfers 2
vagues de » vague de, values de, langues de
rates a » rates _
f gases » _ gases
_ bases » _ basis, _ base, _ basel
de ser » de ses, de serio, de serre

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: (( vagues de ser transport rates a ) OR ( guias ((f gases) OR (_ bases)) transfers 6 a ))~.
• Adding a wildcard symbol may retrieve word variants: (( vagues de ser transport rates a ) or ( guias ((f gases) or (_ bases)) transfers 6 a ))*.