Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
del developpement » de developpement, des developpements, le developpement
technology grade » technology trade, technology guides, technology gender
developpement de » developpement des, developpement durable
grade inflation » price inflation, trade information
inflation wage » inflation rate, inflation target, inflation rates
de afrique » de l'afrique, en afrique, l afrique
wage rate » wage rates
costs del » costa del, costo del
rate 2.3 » rates 2.3, rate 2.4, rate 4.3

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

• Adding a wildcard symbol may retrieve word variants: technology grade inflation wage rate 2.3 communication costs del developpement de afrique.*.