Perhaps you should try some spelling variations:
trade information » price information, private information, trade integration
information wages » information age, information wants, information war
3.3 communication » 2.3 communication, 3.2 communication, 3.5 communication
technology trade » technology trends, technology transfer, technology transfers
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
wages race » wages trade, wage rate, wages case
de afrique » de l'afrique, en afrique, l afrique
race 3.3 » rice 3.3, race 3.7, race 8.3
costs le » 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 information wages race 3.3 communication costs le developpement de afrique.*.