Perhaps you should try some spelling variations:
data communication » data communications
technology under » technology gender, technology index, technologies under
inflation ratios » inflation rates, inflation relations, inflation rate
developpement en » developpement et, developpement des, developpement de
under inflation » der inflation, und inflation, counter inflation
4 developpement » de developpement, le developpement, et developpement
ratios based » relations based, options based, regions based
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology under inflation ratios based data communication costs 4 developpement en afrique.*.