Perhaps you should try some spelling variations:
china communication » china communications, chief communication, china's communications
communication 1.1 » communication 4.1, communication 7.1, communication 1.3
die development » drive development, mine development, site development
does variation » de variation, der variation, die variation
theorien does » theorien des, theorie des, theorien der
variation 1 » variations 1, variation _, variation 6
das china » gas china, has china, does china
1.1 die » 2.1 die, 3.1 die, 4.1 die
african. » africa., american.

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

• Adding a wildcard symbol may retrieve word variants: theorien does variation 1 das china communication 1.1 die development network african.*.