Perhaps you should try some spelling variations:
communication paper » communication power, communication pattern, communication partner
3.2 communication » 3 communication, 2.3 communication, de communication
technology price » technology rich, technology voice, technology service
price regulation » trade regulation, price inflation
un developpement » en developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
prices 3.2 » price 3.2, prices 3.1, prices 4.2
de afrique » de l'afrique, en afrique, l afrique
paper un » paper cut, paper ein, paper ten

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

• Adding a wildcard symbol may retrieve word variants: technology price regulation _ prices 3.2 communication paper un developpement de afrique.*.