Perhaps you should try some spelling variations:
china communication » china communications, chief communication, china's communications
technology health » technology help, ecology health, gerontology health
das developpement » des developpements, de developpement, du developpement
developpement de » developpement des, developpement durable
information 1.2 » information 1.5.2, information 2
de afrique » de l'afrique, en afrique, l afrique
der china » does china, over china, year china
1.2 der » 2.2 der, 3.2 der, 4.2 der
a das » 1 das, 2 das, 3 das

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

• Adding a wildcard symbol may retrieve word variants: technology health information 1.2 der china communication a das developpement de afrique.*.