Perhaps you should try some spelling variations:
trade information » price information, private information, trade integration
1.6 communication » 11.6 communication, 1.1 communication, 1.3 communication
technology trade » technology trends, technology transfer, technology transfers
developpement de » developpement des, developpement durable
information und » informations und
4 developpement » de developpement, le developpement, et developpement
de afrique » de l'afrique, en afrique, l afrique
und ocean » land ocean, d ocean, mid ocean
ocean 1.6 » ocean 1.2, ocean 1.5, ocean 9.6
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology trade information und ocean 1.6 communication costs 4 developpement de afrique.*.