Perhaps you should try some spelling variations:
personal communication » interpersonal communication
workers personal » work personal, workers persian, workers regional
smes development » sme development, sms development, pme's development
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
des workers » sex workers, do workers, u.s workers
1 afrique » l afrique, en afrique, 1 enrique

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation des workers personal communication _ smes development 1 afrique.*.