Perhaps you should try some spelling variations:
emotional interaction » educational interaction, functional interaction, external interaction
techniques emotional » techniques emotion, technique rationale, techniques lionel
amp communication » up communication, data communication, de communication
interaction form » interaction term, interaction from, interaction more
20 development » 2 development, 2015 development, 2007 development
development l » development li, development 1, development law
form data » firm data, farm data, formal data
l afrique » en afrique
data amp » data a, data als
costs 20 » costs 60, costs 2.3, costs 2.1

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

• Adding a wildcard symbol may retrieve word variants: techniques emotional interaction form data amp communication costs 20 development l afrique.*.