Perhaps you should try some spelling variations:
china communication » china communications, chief communication, china's communications
technology trade » technology trends, technology transfer, technology transfers
developpement en » developpement et, developpement des, developpement de
l developpement » le developpement, de developpement, et developpement
integration 2 » integration 3, integration 4, integration 3.2
der china » does china, over china, year china
2 der » _ der
a l » a la

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

• Adding a wildcard symbol may retrieve word variants: technology trade integration 2 der china communication a l developpement en afrique.*.