Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
developpement la » developpement de, developpement et, developpement du
inflation crude » inflation causes, inflation crises, inflation credit
technology 2.2 » technology _, technology 1, technology 3
2.2 inflation » 2.3 inflation, 3.2 inflation, 2.2.4 inflation
la afrique » l afrique, la fabrique, en afrique
price de » price _, price 3, price a

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 inflation crude price de communication costs _ developpement la afrique.*.