Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology context » technology content, technology contents, technology center
4 communications » 14 communications, 4 communication, 2 communications
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
national asset » national assets, national audit, national adult
asset prices » market prices
de afrique » de l'afrique, en afrique, l afrique
prices 4 » prices _, prices a, prices 3
costs et » 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 context national asset prices 4 communications costs et developpement de afrique.*.