Perhaps you should try some spelling variations:
transit system » transit systems, transport system, transport systems
des transfers » net transfers, cash transfers, arms transfers
transfers und » transfer und, transfers united, transfers made
data transit » data transport, data transfer, mass transit
vague code » vague de
system can » systems can, system change
guias cge » guias de
code des » code de
und echo » kind echo, und ehe
cge data » age data, wage data, care data

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: (( vague code des transfers und echo ) OR ( guias cge data transit system can ))~.
• Adding a wildcard symbol may retrieve word variants: (( vague code des transfers und echo ) or ( guias cge data transit system can ))*.