Perhaps you should try some spelling variations:
china's communication » china's communications, china communication, china communications
den developpements » des developpements, deux developpements, de developpement
communication 3.4 » communication 3.3, communication 2.4, communication 3.2
developpements de » developpement de, developpement des, developpement du
china china's » china chinese, can china's
de variation » der variation, die variation, does variation
variation 6 » variation _, variations _, variation des
theorie de » theorie der, theorie des, theorie die
6 china » 2 china, 4 china, 3 china
3.4 den » 3.4 der

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

• Adding a wildcard symbol may retrieve word variants: theorie de variation 6 china china's communication 3.4 den developpements de l'afrique.*.