Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
communication crops » communication cross, communication across, communications cross
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
typologien ier » typologien der, typologie der, typologie des
ier variations » 1er variations, term variations, der variation
der verbal » des verbal, der verbalen, der verband
crops de » crops _, crops 44, crops 15

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

• Adding a wildcard symbol may retrieve word variants: typologien ier variations _ der verbal communication crops de developpement en afrique.*.