Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
10 communications » 10 communication, 14 communications, 2 communications
trade development » software development
based innovation » und innovation
costs trade » costly trade
de 10 » die 10, de 1, do 10
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technology based innovation a de 10 communications costs trade development africa _.*.