Perhaps you should try some spelling variations:
trade information » price information, private information, trade integration
3.2 communication » 3 communication, 2.3 communication, de communication
technology trade » technology trends, technology transfer, technology transfers
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
information a » information age, information about
de afrique » de l'afrique, en afrique, l afrique
price 3.2 » prices 3.2, price 2.2, rice 3.2
a price » a primer
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology trade information a price 3.2 communication costs 4 developpement de afrique.*.