Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
trade information » price information, private information, trade integration
3.2 communication » 3 communication, 2.3 communication, de communication
technology trade » technology trends, technology transfer, technology transfers
information data » information d820, information database, information databases
du developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
data prices » data primer, data races, data practices
prices 3.2 » price 3.2, prices 3.1, prices 4.2
l afrique » en afrique
phase du » phase de, phase der, phase des

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

• Adding a wildcard symbol may retrieve word variants: technology trade information data prices 3.2 communication phase du developpement l afrique.*.