Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
u.s communications » 3.1 communications, les communications, nps communications
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
developing east » development east, developing a, developing asia
information 3 » information 2
state u.s » state 2.1, state 2.2, state 2.3
3 state » 2 state
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 3 state u.s communications costs _ developing east asezs.*.