Perhaps you should try some spelling variations:
communication model » communication media
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
inflation und » inflation index, inflation _, inflation tax
und price » fund price, usd price, fund prices
price 4.1 » price 4.4, rice 4.1, price 4.3
l afrique » en afrique
model de » model due, model d, model du

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

• Adding a wildcard symbol may retrieve word variants: technology _ inflation und price 4.1 communication model de developpement l afrique.*.