Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
trade development » software development
communication 5 » communication _, communication a, communication 3
development en » developpement en, development menu, development eco
variation its » variation des, variation im, variation i
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
first verbal » first global, first deal, first urban
5 trade » 1 trade, 4 trade, 2 trade

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation its first verbal communication 5 trade development en afrique.*.