Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
technology trade » technology trends, technology transfer, technology transfers
de developpement » sme development
developpement de » developpement des, developpement durable
trade sanctions » trade transactions
sanctions wages » sanctions case
wages race » wages trade, wage rate, wages case
efforts de » efforts do, efforts dean, efforts _
de afrique » de l'afrique, en afrique, l afrique
race 2.3 » race 8.3, france 2.3, space 2.3

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

• Adding a wildcard symbol may retrieve word variants: technology trade sanctions wages race 2.3 communication efforts de developpement de afrique.*.