Perhaps you should try some spelling variations:
developpement il » developpement de, developpement et, developpement du
4 communication » 3 communication, 5.4 communication, de communication
technology 2.2 » technology _, technology 1, technology 3
inflation wage » inflation rate, inflation target, inflation rates
2.2 inflation » 2.3 inflation, 3.2 inflation, 2.2.4 inflation
il afrique » l afrique, en afrique
price 4 » 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 wage price 4 communication costs _ developpement il afrique.*.