Perhaps you should try some spelling variations:
transactional services » transaction services, translation services, transaction prices
firms transactional » minds transactional, moores transactional, towards transactional
transactions costs » transaction costs, transactions system
card transactions » land transactions, cash transactions, carbon transactions
held » help, head

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: (( held firms transactional services. ) OR ( harold card transactions costs. ))~.
• Adding a wildcard symbol may retrieve word variants: (( held firms transactional services. ) or ( harold card transactions costs. ))*.