Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologies trade » technology trade, technologies case, technologies table
trade information » price information, private information, trade integration
information et » l'information et, information 2, information 1
4 development » 2 development, 4 developing
des personal » des personals, der personal, das personal
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies trade information et des personal communication costs 4 development _ afrique.*.