Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication costa » communication costs, communications costs, communication cote
developing east » development east, developing a, developing asia
technologies 2 » technologies _, technologies 4
information 2 » information 3
4 developing » 3 developing
de personal » der personal, des personal, de persona
costa 4 » cost 4, costa e, costa 3
2 de » 2 die, 2 der, _ de
areal. » areas., area., real.

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 2 de personal communication costa 4 developing east areal.*.