Perhaps you should try some spelling variations:
developing colonies » developing economies, developing policies, developing countries
oral communication » personal communication
colonies africa » colonial africa, economics africa, colonial america
technology et » technology e, technology ecit, technology eimt
et nationale » der nationale, net national, 3 nationale
nationale et » nationale de, nationale und
a developing » a development
costs a » costs _, costs 4
et ca » et cam, et la, et a

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

• Adding a wildcard symbol may retrieve word variants: technology et nationale et ca oral communication costs a developing colonies africa.*.