Perhaps you should try some spelling variations:
debate information » debt information, adequate information, device information
technology debate » technology debts, technology related, technology state
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
information und » informations und
4 communication » 3 communication, 5.4 communication, de communication
und trade » aid trade, und trans, und traum
costs au » costs a, costs amy, costs _
trade 4 » trade _, trade a

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

• Adding a wildcard symbol may retrieve word variants: technology debate information und trade 4 communication costs au developpement de l'afrique.*.