Perhaps you should try some spelling variations:
communication 2.3.4 » communication 2.3.3, communication 2.3.8, communication 3.3.4
rare communication » aware communication, parte communication, face communication
technologies pt » technologies _, technologies 4, technologies 2
use development » case development, sme development, e development
channels 3.7 » channels 1.7, channels 3.2, channels 3.5
pt informal » _ informal, 3 informal, vs informal
2.3.4 use » 2.3.1 use, 4.3.4 use, 2.2.4 use
1 afrique » l afrique, en afrique, 1 enrique
3.7 rare » 3.7 share, 3.7 role, 3.7 case

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

• Adding a wildcard symbol may retrieve word variants: technologies pt informal channels 3.7 rare communication 2.3.4 use development 1 afrique.*.