Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
communication crops » communication cross, communication across, communications cross
trade developments » trade development, rate developments, price developments
developments et » developments pt, developments end, developments web
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
crops trade » crop trade, gross trade, crisis trade
et afrique » en afrique, l afrique
c verbal » _ verbal, 3 verbal, a verbal

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation _ c verbal communication crops trade developments et afrique.*.