Perhaps you should try some spelling variations:
technologies trade » technology trade, technologies case, technologies table
oral communication » personal communication
trade information » price information, private information, trade integration
information rank » information bank, information banks, information risk
communication pt » communication 3, communication 1, communication 2
developpement en » developpement et, developpement des, developpement de
e developpement » de developpement, le developpement, et developpement
one oral » one moral, one rural, one oil
pt e » pt 2, pt 1, pt 3

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

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