Perhaps you should try some spelling variations:
china communications » china communication, china's communications, chile communications
communications 3.2 » communication 3.2, communications 2.2, communications 3.3
user development » users development, use development, users developments
technologies pt » technologies _, technologies 4, technologies 2
development l » development li, development 1, development law
channels 1.7 » channels 3.7, channels 4.7, channels 7.7
pt informal » _ informal, 3 informal, vs informal
1.7 china » 1.7 hila, 11.7.1 china
l afrique » en afrique
3.2 user » 3.1 user, 3.2 use, 3.3 user

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 1.7 china communications 3.2 user development l afrique.*.