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
information rank » information bank, information banks, information risk
communication pt » communication 3, communication 1, communication 2
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
one oral » one moral, one rural, one oil
pt le » et le, pt e, p le

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

• Adding a wildcard symbol may retrieve word variants: technology trade information rank one oral communication pt le developpement en afrique.*.