Perhaps you should try some spelling variations:
technology sector » technology series, technology social
sector functional » sector functions, aspects functional, der functional
c's communication » lea's communication, class communication, mass communication
development did » development desd, development d, development doi
1 development » 2 development, 3.1 development, mena development
functional i » functional _, functional 3, functional mri
normen c's » normen als, normen des, normen vs
did africa » did africa's, aid african, de africa
i normen » ii normen, die normen, 2 formen
costs 1 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology sector functional i normen c's communication costs 1 development did africa.*.