Perhaps you should try some spelling variations:
dean developpement » de developpement, en developpement, deux developpements
3.3 communication » 2.3 communication, 3.2 communication, 3.5 communication
technology trade » technology trends, technology transfer, technology transfers
developpement de » developpement des, developpement durable
trade section » trade sector, trade action, trade sanctions
section wages » sector wages, section ageism, sector wage
efforts dean » efforts real, effort des, efforts data
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

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

• Adding a wildcard symbol may retrieve word variants: technology trade section wages race 3.3 communication efforts dean developpement de afrique.*.