Perhaps you should try some spelling variations:
communication concepts » communication costs, communication channels, communication collection
developpement de » developpement des, developpement durable
a communication » la communication, data communication, data communications
technology use » technology 1, technology 2.2, technology 3
use inflation » push inflation, und inflation, die inflation
rate price » water price, gate prices, ratio price
de afrique » de l'afrique, en afrique, l afrique
price a » price _, price 3, price cap

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

• Adding a wildcard symbol may retrieve word variants: technology use inflation rate price a communication concepts _ developpement de afrique.*.