Perhaps you should try some spelling variations:
communications cost » communications costs, communications cross, communication costs
open development » clean development, driven development, human development
technology 2.3 » technology 2.2, technology 2.1, technology 3.3
2.3 inflation » 2.3.1 inflation, 5.33 inflation, 2 inflation
inflation und » inflation index, inflation _, inflation tax
base data » based data, case data, basic data
cost open » post open
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 2.3 inflation und base data communications cost open development latin afrique.*.