Perhaps you should try some spelling variations:
12.2.4 communication » 2.2.3 communication, 5.4 communication, 2.3 communication
inflation levels » inflation rates, education levels, pollution levels
au developpement » du developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
levels primer » level price
primer 12.2.4 » primer 11.1.1, primer a2.1.1
technology 2 » technology _, technology 1, technology 3
2 inflation » 12 inflation, _ inflation, 6 inflation
l afrique » en afrique
costs au » costs a, costs amy, costs _

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

• Adding a wildcard symbol may retrieve word variants: technology 2 inflation levels primer 12.2.4 communication costs au developpement l afrique.*.