Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
technology trade » technology trends, technology transfer, technology transfers
developpement de » developpement des, developpement durable
trade inflation » grade inflation, trade insulation, rate inflation
inflation trade » inflation rate, inflation rates, inflation tax
3 communication » 4 communication, de communication, data communication
trade rules » trade routes
de afrique » de l'afrique, en afrique, l afrique
rules 3 » rules _, rules 4, rules 1

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

• Adding a wildcard symbol may retrieve word variants: technology trade inflation trade rules 3 communication a leur developpement de afrique.*.