Perhaps you should try some spelling variations:
2.3.4 communication » 12.2.4 communication, 12.4.4 communication, 2.3 communication
developpement la » developpement de, developpement et, developpement du
a developpement » au developpement, de developpement, le developpement
inflation from » inflation rob, information from, inflation gross
prices 2.3.4 » prices 2.3.1, prices 2.3.5, prices 2.3.6
from prices » from price, from process, farm prices
la afrique » l afrique, la fabrique, en afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology _ inflation from prices 2.3.4 communication costs a developpement la afrique.*.