Perhaps you should try some spelling variations:
oral communication » personal communication
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
information 1.2 » information 1.5.2, information 2
4 developing » 3 developing
goals oral » goals goal, goals global
1.2 goals » 1.1 goals, 1.2 goal, 3.2 goals
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information 1.2 goals oral communication costs 4 developing _ access.*.