Perhaps you should try some spelling variations:
information chapter » information center, information centers, information exchanges
face communication » voice communication, de communication, time communication
technologies key » technologies any, technologies know, technologies _
key information » energy information
developing l2 » developing _, developing a, developing e
4 developing » 3 developing
chapter 43 » chapter 4.3, chapter 3, chapter 4
l2 afrique » l afrique, en afrique
43 face » 3 face, 2.3 face, 4.1 face

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

• Adding a wildcard symbol may retrieve word variants: technologies key information chapter 43 face communication _ 4 developing l2 afrique.*.