Perhaps you should try some spelling variations:
communication model » communication media
3.2 communication » 3 communication, 2.3 communication, de communication
technology debts » technology debate, technology data, technology dlt
de developpement » sme development
debts inflation » der inflation, does inflation, debt deflation
developpement l » developpement il, developpement la, developpement de
inflation gas » inflation das, inflation bias, inflation tax
prices 3.2 » price 3.2, prices 3.1, prices 4.2
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 debts inflation gas prices 3.2 communication model de developpement l afrique.*.