Perhaps you should try some spelling variations:
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
technology trade » technology trends, technology transfer, technology transfers
developpement et » developpement des, developpement de, development east
trade inflation » grade inflation, trade insulation, rate inflation
inflation bias » inflation boys, inflation das, inflationary bias
et afrique » en afrique, l afrique
bias de » biais de, bias der, bias des
de 3.5 » de 3.2, de 3.3, de 3.4

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

• Adding a wildcard symbol may retrieve word variants: technology trade inflation bias de 3.5 communication costs _ developpement et afrique.*.