Perhaps you should try some spelling variations:
trade information » price information, private information, trade integration
information rates » information states, information ratio, information rules
2.4 communication » 2.14 communication, 5.4 communication, 2.3 communication
technology trade » technology trends, technology transfer, technology transfers
au developpement » du developpement, de developpement, le developpement
communication 3 » communication _, communication a
rates spaces » places spaces, papers spaces, spaces spaces
spaces 2.4 » spaces 2.1, spaces 2.2, spaces 2.3
3 au » 3 auf, 3 a, 3 zu

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

• Adding a wildcard symbol may retrieve word variants: technology trade information rates spaces 2.4 communication 3 au developpement _ force.*.