Perhaps you should try some spelling variations:
china communication » china communications, chief communication, china's communications
communication 3.2 » communication 3.3, communication 3.4, communication 2
user development » users development, use development, users developments
technologies pt » technologies _, technologies 4, technologies 2
development law » development latin, development 1
channels 3.7 » channels 1.7, channels 3.2, channels 3.5
pt informal » _ informal, 3 informal, vs informal
law afrique » l afrique
3.7 china » 3.7 china's
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 3.7 china communication 3.2 user development law afrique.*.