Perhaps you should try some spelling variations:
communication code » communications code, communication cote, communication mode
information guide » information gap, information gaps
3.2 communication » 3 communication, 2.3 communication, de communication
user information » der information, other information, user innovation
developpement en » developpement et, developpement des, developpement de
technology user » technology users, technology use, technology used
2 developpement » de developpement, le developpement, et developpement
guide prices » guide policies, rice prices, crude prices
prices 3.2 » price 3.2, prices 3.1, prices 4.2
code 2 » code _, code a

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

• Adding a wildcard symbol may retrieve word variants: technology user information guide prices 3.2 communication code 2 developpement en afrique.*.