Perhaps you should try some spelling variations:
rare communication » aware communication, parte communication, face communication
communication 13.4 » communication 3.4, communication 1.4, communication 2.3.4
use development » case development, sme development, e development
development law » development latin, development 1
technologies 4 » technologies _
channels 3.5 » channels 3.2, channels 3.7, channels 3.8
law afrique » l afrique
4 informal » 4 informale, _ informal, 3 informal
3.5 rare » 3.5 care, 3.6 rare, 5.5 rare
13.4 use » 10.4 use, 11.4 use, 15.4 use

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 informal channels 3.5 rare communication 13.4 use development law afrique.*.