Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
trade development » software development
communication 3 » communication _, communication a
development du » development d, development ds, developpement du
des variation » does variation, de variation, der variation
variation des » variation _, variation 6, variation series
du fabrique » la fabrique
dr verbal » des verbal, pre verbal, _ verbal
3 trade » 1 trade, 4 trade, 2 trade

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(typologie OR typology) des variation des dr verbal communication 3 trade development du fabrique.~".
• Adding a wildcard symbol may retrieve word variants: (typologie OR typology) des variation des dr verbal communication 3 trade development du fabrique.*.