Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
communication cross » communication costs
trade developpement » trade developement, trade development, de developpement
developpement de » developpement des, developpement durable
ideologie der » ideologie und, typologie der
der variation » de variation, does variation, die variation
variation 14 » variation 4, variation 3.4, variation 6.4
cross trade » crops trade, gross trade, across grade
de afrique » de l'afrique, en afrique, l afrique
3 verbal » _ verbal, a verbal, 3 verfall
14 3 » 14 13, 14 _, 1 3

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

• Adding a wildcard symbol may retrieve word variants: ideologie der variation 14 3 verbal communication cross trade developpement de afrique.*.