Perhaps you should try some spelling variations:
transport bei » transport b, transport de, transport based
data transfer » cash transfer, heat transfer
transfer tax » transfer taxes, transfer _
bei marc » bei marx, bei maria, bei carl
luis 1 » luis f, luis c, luis a
1 data » 2.1 data, 3.1 data, 4.1 data
tax c » tax _, tax 5, max c

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: (( luis ((2 ideas) OR (_ ideas)) transport bei marc ) OR ( luis 1 data transfer tax c ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( luis ((2 ideas) OR (_ ideas)) transport bei marc ) or ( luis 1 data transfer tax c ))~".
• Adding a wildcard symbol may retrieve word variants: (( luis ((2 ideas) OR (_ ideas)) transport bei marc ) or ( luis 1 data transfer tax c ))*.