Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication cost » communication costs, communication costa, communications costs
members personal » leaders personal, names personal, msm's personal
technologien ad » technologien am, technologien und, technologien als
developing east » development east, developing a, developing asia
ad information » d information, nd information, od information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
information 1 » information 2, information 3, information 3.2
east areas » karst areas, east asezs
1 members » _ members, b members, 1.6 members
cost 2.2 » costs 2.2, cost 2.4, cost 3.2

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information 1 members personal communication cost 2.2 developing east areas.*.