Perhaps you should try some spelling variations:
trade information » price information, private information, trade integration
information rates » information states, information ratio, information rules
5.4 communication » de communication, data communication
technology trade » technology trends, technology transfer, technology transfers
developpement en » developpement et, developpement des, developpement de
rates rates » rates notes
rates 5.4 » rate 5.4, rates 5.2, rates 5.5

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

• Adding a wildcard symbol may retrieve word variants: technology trade information rates rates 5.4 communication costs _ developpement en afrique.*.