Perhaps you should try some spelling variations:
communications models » communication model, communication modes, communicating model
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
life developpement » le developpement, de developpement, le dveloppement
developpement l » developpement il, developpement la, developpement de
inflation und » inflation index, inflation _, inflation tax
technology 6 » technology _, technology 1, technology 3
6 inflation » _ inflation, 2 inflation, d inflation
models life » modern life
und prices » fund prices, land prices, bond prices
prices 3.1 » prices 2.1, prices 3.2, prices 2.3.1
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology 6 inflation und prices 3.1 communications models life developpement l afrique.*.