Perhaps you should try some spelling variations:
trade information » price information, private information, trade integration
des developpement » des developpements, de developpement, le developpement
technology trade » technology trends, technology transfer, technology transfers
2 communications » 2 communication, 3 communications, 4 communications
communications a » communications _, communications law, communications media
des afrique » en afrique, de l'afrique
a des » a der, a das
3 we » 3 wie, 3 le, 3 e
_ we » _ e

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technology trade information ((3 we) OR (_ we)) 2 communications a des developpement des afrique.~".
• Adding a wildcard symbol may retrieve word variants: technology trade information ((3 we) OR (_ we)) 2 communications a des developpement des afrique.*.