Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
rural communications » oral communication, rural telecommunications, cultural communications
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
information usd » information und, information use, information users
developing east » development east, developing a, developing asia
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
new rural » new real
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
usd new » und new, guid new
asezs. » sezs., aezs.

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information usd new rural communications costs 4.1 developing east asezs.*.