Perhaps you should try some spelling variations:
personal communications » personal communication, interpersonal communications, internal communications
communications 19 » communications 1, communications 14, communications 6.9
test development » forest development, port development, mena development
development en » developpement en, development menu, development eco
typologien de » typologien der, typologie des, typologie der
de variation » der variation, die variation, does variation
der personal » der personalen, der personen, der person
19 test » 19 tests, 1 test, 19 text

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

• Adding a wildcard symbol may retrieve word variants: typologien de variation _ der personal communications 19 test development en afrique.*.