Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
technologies value » technologies volume, technologies varies, technologies case
face communication » voice communication, de communication, time communication
value information » values information, valuable information, care information
communication 1 » communication _, communication a, communication 3
21 developing » 2.1 developing, 2 developing, 1 developing
content 2.3 » context 2.3, content 3.3, content 5.3
2.3 face » 2.2 face, 2.3 race, 1.2.3 face
1 21 » 17 21, 1 2.1, 19 21

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

• Adding a wildcard symbol may retrieve word variants: technologies value information content 2.3 face communication 1 21 developing _ afrique.*.