Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
2.1 communications » 3.1 communications, 4.1 communication, 1.1 communication
information base » information based, information case, information bank
developpement en » developpement et, developpement des, developpement de
und information » fund information, road information, award information
4 developpement » de developpement, le developpement, et developpement
technology und » technology fund, technology used, technology use
base price » sale price
price 2.1 » prices 2.1, price 2.3, rice 2.1
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 und information base price 2.1 communications costs 4 developpement en afrique.*.