Perhaps you should try some spelling variations:
slovakia's transport » liberia's transport
data transfer » cash transfer, heat transfer
transfer tax » transfer taxes, transfer _
c slovakia's » _ slovakia's, _ slovakia, _ slovakian
demand a » demand _, demand 3, demand 1
luis e » luis f, luis a
e data » e datas, age data, cge data
luis c » luis f

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( luis e data transfer tax cao ) or ( luis c slovakia's transport demand a ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( luis e data transfer tax cao ) OR ( luis c slovakia's transport demand a )).
• Adding a wildcard symbol may retrieve word variants: (( luis e data transfer tax cao ) or ( luis c slovakia's transport demand a ))*.