Perhaps you should try some spelling variations:
2.3.1 communication » 2.3.1.1 communication, 2.3 communication, 2.2.3 communication
developpement la » developpement de, developpement et, developpement du
a developpement » au developpement, de developpement, le developpement
technology has » technology hard, technology have, technology how
has inflation » how inflation, u.s inflation, cases inflation
price 2.3.1 » prices 2.3.1, prices 2.3.4, prices 2.3.5
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 has inflation _ price 2.3.1 communication costs a developpement la afrique.*.