Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
oral communication » personal communication
developing areas » developing asia, developing east, developing a
technologie de » technologies de, technologie der, technologie die
de information » die information, de informacion, e information
content 4.2 » context 4.2, content 3.2, content 2
areas areas » areas arenas, seas areas, areas access
4.2 oral » 4.5 oral, 4.1.2 oral, 14.4 oral

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

• Adding a wildcard symbol may retrieve word variants: technologie de information content 4.2 oral communication costs _ developing areas areas.*.