Perhaps you should try some spelling variations:
des developpements » deux developpements, de developpement, et developpements
trade information » price information, private information, trade integration
information state » information states, information space, information staat
2.3 communication » 3.2 communication, de communication, 4 communication
developpements en » developpement en, developpement et, developpements de
technology trade » technology trends, technology transfer, technology transfers
state spaces » state space, safe spaces, state shares
spaces 2.3 » space 2.3, spaces 2.1, spaces 2.2
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technology trade information state spaces 2.3 communication a des developpements en afrique.*.