Perhaps you should try some spelling variations:
personal communications » personal communication, interpersonal communications, internal communications
communications costs » communication costs, communications _
information case » information based, information can, information costs
developing east » development east, developing a, developing asia
technologies 2 » technologies _, technologies 4
1.4 developing » 12.4 developing, 1.3 developing, 14 developing
das personal » des personal, des personals, haus personal
costs 1.4 » costs 11.4, costs 12.4, costs 4.4
case das » case des, case case, case data
asezs. » sezs., aezs.

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information case das personal communications costs 1.4 developing east asezs.*.