Perhaps you should try some spelling variations:
2.3.1.1 communication » 2.2.5.4 communication, 3.4.1 communication, 6.2.4.1 communication
developpement la » developpement de, developpement et, developpement du
technology rate » technology state, technology role, technology related
4 developpement » de developpement, le developpement, et developpement
rate inflation » grade inflation, wage inflation, age inflation
inflation gas » inflation das, inflation bias, inflation tax
price 2.3.1.1 » primer 2.3.1.1, prices 2.3.1
la afrique » l afrique, la fabrique, en afrique
gas price » gas prices
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology rate inflation gas price 2.3.1.1 communication costs 4 developpement la afrique.*.