Perhaps you should try some spelling variations:
2.3.4 communication » 12.2.4 communication, 12.4.4 communication, 2.3 communication
communication code » communications code, communication cote, communication mode
map developpement » au developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
technology law » technology 1, technology 2.2, technology 3
law inflation » low inflation, log inflation, has inflation
prices 2.3.4 » prices 2.3.1, prices 2.3.5, prices 2.3.6
inflation 2 » inflation _, inflation a, inflation 1
2 prices » 2 price, 2 proces, do prices
code map » code mac, code a

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

• Adding a wildcard symbol may retrieve word variants: technology law inflation 2 prices 2.3.4 communication code map developpement en afrique.*.