Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
2.3 communication » 3.2 communication, de communication, 4 communication
information war » information what, information wants, information when
des development » does development, ides development, dams development
3 information » 1 information
technology 3 » technology _, technology 1, technology 4
phase des » phasen des, phase der
war rice » war race, war re, war risk
rice 2.3 » price 2.3, rice 2.1, rice 3.3

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

• Adding a wildcard symbol may retrieve word variants: technology 3 information war rice 2.3 communication phase des development 1 africa.*.