Perhaps you should try some spelling variations:
state integration » statt integration, scale integration, space integration
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
technology state » technology strategy, technology system, technology study
integration base » integration case, integration phase, integration 21st
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
base prices » base price, gas prices, asset prices
prices 4.1 » price 4.1, prices 2.1, prices 3.1
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 state integration base prices 4.1 communication costs 4 developpement en afrique.*.