Perhaps you should try some spelling variations:
oral communication » personal communication
communication cost » communication costs, communication costa, communications costs
informations sur » informations und
1.2 development » 1.2 developments, 10.2 development, 3.2 development
china africa » cpia africa, china asia
cost 1.2 » cost 3.2, cost 12, cost 2.2
sur une » sur un, pour une

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

• Adding a wildcard symbol may retrieve word variants: technologies _ informations sur une oral communication cost 1.2 development china africa.*.