Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
wave communications » face communications, data communications, faso communications
information gender » information guide, information der, information ladder
developing cpia » developing china, developing asia, developing cil
technologies 2 » technologies _, technologies 4
3.1 developing » 3.3 developing, 3.2 developing, 4.1 developing
gender low » gender law, gender laws, gender labor
costs 3.1 » costs 3.5, costs 4.1, costs 2.1
low wave » low wage, how wave, low wages

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information gender low wave communications costs 3.1 developing cpia africa.*.