Perhaps you should try some spelling variations:
personal communication » interpersonal communication
bent developpement » et developpement, en developpement, de developpement
developpement en » developpement et, developpement des, developpement de
operation using » operations using, cooperation using, operation nursing
typologien die » typologien der, typologie des, typologie der
die operation » die kooperation, die operationen, mine operation
heis personal » helps personal, apis personal, des personal
using heis » using heat, using aes, using axis
a bent » a best

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

• Adding a wildcard symbol may retrieve word variants: typologien die operation using heis personal communication a bent developpement en afrique.*.