Perhaps you should try some spelling variations:
based transactions » barter transactions, land transactions, cash transactions
transactions deals » transactions demand, transactions laws, transactions data
techniques based » techniques used, techniques laser, techniques basic
do communication » do communications, de communication, ngo communication
des afrique » en afrique, de l'afrique
deals data » deaths data, das data, als data

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

• Adding a wildcard symbol may retrieve word variants: techniques based transactions deals data do communication costs _ developpement des afrique.*.