Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
les developpement » le developpement, des developpements, leur developpement
developpement de » developpement des, developpement durable
technology lag » technology law, technology land, technology lays
inflation from » inflation rob, information from, inflation gross
lag inflation » log inflation, wage inflation, low inflation
from prices » from price, from process, farm prices
prices 3.1 » prices 2.1, prices 3.2, prices 2.3.1
de afrique » de l'afrique, en afrique, l afrique
costs les » costs sales, costs fees

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

• Adding a wildcard symbol may retrieve word variants: technology lag inflation from prices 3.1 communications costs les developpement de afrique.*.