Perhaps you should try some spelling variations:
technologies could » technologies co, technologies cohort, technologies based
face communication » voice communication, de communication, time communication
could information » world information, child information, coded information
communication 3.3 » communication _, communication a, communication 1
3 developing » 3 development
developing 1 » developing _, developing a, developing e
about 4 » about _, about a, about 2
4 face » 43 face, _ face, a face
3.3 3 » 3.3 3d, 3.3 _, 3.3 a

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

• Adding a wildcard symbol may retrieve word variants: technologies could information about 4 face communication 3.3 3 developing 1 africa.*.