Perhaps you should try some spelling variations:
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
information food » information goods, information flow, information from
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
one information » more information, age information, die information
communication 3 » communication _, communication a
technology one » technology other, technology o140, technology 1
food price » food prices
price 1.1 » price 10.1, price 1.3, price 4.1
3 du » 3 due, 3 d, 3 zu

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

• Adding a wildcard symbol may retrieve word variants: technology one information food price 1.1 communication 3 du developpement en afrique.*.