Perhaps you should try some spelling variations:
2.3.4 communication » 12.2.4 communication, 12.4.4 communication, 2.3 communication
communication model » communication media
developpement la » developpement de, developpement et, developpement du
d developpement » de developpement, du developpement, le developpement
technology low » technology flow, technology law, technology led
low inflation » core inflation, _ inflation
prices 2.3.4 » prices 2.3.1, prices 2.3.5, prices 2.3.6
la afrique » l afrique, la fabrique, en afrique
model d » model du, modell d, model 1

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

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