Perhaps you should try some spelling variations:
face communication » voice communication, de communication, time communication
technologies case » technologies based, technologies can, technologies create
development korea » development great, development kenya, development key
case information » care information, based information, phase information
4.1 development » 3.1 development, 2.1 development, 2.3 development
korea areas » korea ideas, korea markets
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
die face » die flache, die falle, die fahne

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

• Adding a wildcard symbol may retrieve word variants: technologies case information 3.2 die face communication costs 4.1 development korea areas.*.