Perhaps you should try some spelling variations:
communication paper » communication power, communication pattern, communication partner
trade information » price information, private information, trade integration
3.2 communication » 3 communication, 2.3 communication, de communication
technology trade » technology trends, technology transfer, technology transfers
information das » information data, information does, information der
d developpement » de developpement, du developpement, le developpement
developpement l » developpement il, developpement la, developpement de
das prices » gas prices, gas price, do prices
prices 3.2 » price 3.2, prices 3.1, prices 4.2
l afrique » en afrique
paper d » paper _, paper i, paper 1

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

• Adding a wildcard symbol may retrieve word variants: technology trade information das prices 3.2 communication paper d developpement l afrique.*.