Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
mode communications » modern communications, mce communications, mobile communications
de developpement » sme development
developpement de » developpement des, developpement durable
technology 4 » technology _, technology 1, technology 3
4 inflation » _ inflation, 2 inflation, 6 inflation
rate trade » trade trade, water trade, state trade
trade mode » trade model, trade more, trade models
costs de » 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 4 inflation rate trade mode communications costs de developpement de l'afrique.*.