Perhaps you should try some spelling variations:
oral communication » personal communication
technologien aids » technologien als, technologien ad, technologien des
aids informations » aids information, ids information, als informations
developing east » development east, developing a, developing asia
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
new oral » new moral, knew moral, new rural
und new » und neo, und ne, usd new
asezs. » sezs., aezs.

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

• Adding a wildcard symbol may retrieve word variants: technologien aids informations und new oral communication costs 2.2 developing east asezs.*.