Perhaps you should try some spelling variations:
5.4 communication » de communication, data communication
technologies 4.2 » technologies 3.2, technologies 4.1, technologies 4.5
4.2 informations » 4.2 information, 2.2 information, 3.2 information
developing asia » development asia, developing a
20 developing » 2 developing, 10 developing, 24 developing
costs 20 » costs 60, costs 2.3, costs 2.1
und vie » und video, und viele, und vita
vie 5.4 » voice 5.4, time 5.4, life 5.4
aezs. » sezs., aes.

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

• Adding a wildcard symbol may retrieve word variants: technologies 4.2 informations und vie 5.4 communication costs 20 developing asia aezs.*.