Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
clean developpement » clean development, clean developoment, le developpement
developpement en » developpement et, developpement des, developpement de
inflation und » inflation index, inflation _, inflation tax
technology 1 » technology _
1 inflation » 10 inflation, 12 inflation, _ inflation
costs clean » costs clear
und basic » under basic, und basel

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

• Adding a wildcard symbol may retrieve word variants: technology 1 inflation und basic data communications costs clean developpement en afrique.*.