Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication across » communication cross, communicating across, communication about
trade developpement » trade developement, trade development, de developpement
developpement en » developpement et, developpement des, developpement de
typologien die » typologien der, typologie des, typologie der
die variation » de variation, does variation, der variation
across trade » across grade, across track, gross trade
ex personal » e personal, der personal, des personal

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

• Adding a wildcard symbol may retrieve word variants: typologien die variation _ ex personal communication across trade developpement en afrique.*.