Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
3.2 communication » 3 communication, 2.3 communication, de communication
key developpement » de developpement, le developpement, et developpement
developpement et » developpement des, developpement de, development east
technology 12 » technology 1.2, technology 1, technology 2
inflation und » inflation index, inflation _, inflation tax
12 inflation » 10 inflation, 2 inflation, 3.2 inflation
barriers key » barriers been, barriers _, barriers a
und prices » fund prices, land prices, bond prices
prices 3.2 » price 3.2, prices 3.1, prices 4.2
et afrique » en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technology 12 inflation und prices 3.2 communication barriers key developpement et afrique.*.