Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
3.2 communication » 3 communication, 2.3 communication, de communication
information war » information what, information wants, information when
des development » does development, ides development, dams development
phase des » phasen des, phase der
war race » war peace, war ramt, war re
race 3.2 » race 3.7, race 4.2, rice 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology _ information war race 3.2 communication phase des development 1 africa.*.