Perhaps you should try some spelling variations:
oral communication » personal communication
trade information » price information, private information, trade integration
technology trade » technology trends, technology transfer, technology transfers
de development » e development, ce development, de developpement
information 2 » information 3
china afrique » china africa
costs de » costs _, costs 4, costs a
de oral » de otras, new oral
2 de » 2 die, 2 der, _ de

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

• Adding a wildcard symbol may retrieve word variants: technology trade information 2 de oral communication costs de development china afrique.*.