Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
technology trade » technology trends, technology transfer, technology transfers
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
trade section » trade sector, trade action, trade sanctions
section based » selection based, reaction based, action based
based rate » based rebate, based water, based route
de afrique » de l'afrique, en afrique, l afrique
rate 4.2 » rates 4.2, rate 4.3, rate 5.2
costs et » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology trade section based rate 4.2 communication costs et developpement de afrique.*.