Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
aid communications » aided communications, radio communications, haiti communications
development manuel » developpement manuel, development model, development master
yemen development » women development, uneven development, human development
information und » informations und
technology 3.1 » technology 1, technology 2.2, technology _
und do » und de, und da, und doch
do aid » does aid

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

• Adding a wildcard symbol may retrieve word variants: technology 3.1 information und do aid communications costs yemen development manuel afrique.*.