Perhaps you should try some spelling variations:
china's communications » china communications, china communication, crisis communications
communications 11 » communication 11, communications 1, communications 14
trade development » software development
des variation » does variation, de variation, der variation
theorie des » theorie der
variation 6 » variation _, variations _, variation des
dan china's » can china's, did china's, sen china's
11 trade » 1.1 trade, 1 trade, 10 trade
6 dan » 6 das, _ dan, 6 can

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

• Adding a wildcard symbol may retrieve word variants: theorie des variation 6 dan china's communications 11 trade development 1 africa.*.