Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
open development » clean development, driven development, human development
technology 4.2 » technology 2.2, technology 3.2, technology 4.1
4.2 inflation » 3.2 inflation, 12 inflation, 2.3 inflation
inflation und » inflation index, inflation _, inflation tax
development l » development li, development 1, development law
costs open » cost open, costs over
base data » based data, case data, basic data
l afrique » en afrique
und base » und basel, land base, und baden

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

• Adding a wildcard symbol may retrieve word variants: technology 4.2 inflation und base data communications costs open development l afrique.*.