Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
development eco » development second, development east, development menu
technology 4ir » technology 4, technology 4.1, technology 4.2
costs resource » cost resource, coastal resource, crisis resource
4ir inflation » der inflation, die inflation, aid inflation
inflation und » inflation index, inflation _, inflation tax
eco afrique » en afrique
und cash » und case, und care, und carl
cash 3.1 » case 3.1, cash 3.2, cash 4.1

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

• Adding a wildcard symbol may retrieve word variants: technology 4ir inflation und cash 3.1 communications costs resource development eco afrique.*.