Perhaps you should try some spelling variations:
clean developoment » clean development, plan development, can development
technology debts » technology debate, technology data, technology dlt
pt communication » put communication, et communication, post communication
developoment aid » development aid, development ahd, development ai
debts relations » des relations, les relations, its relations
relations 2.1 » relations 3.1, relations 1, relations _
costs clean » costs clear
2.1 crisis » 3.1 crisis, 2010 crisis, 2011 crisis
crisis pt » crisis _, crisis a

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

• Adding a wildcard symbol may retrieve word variants: technology debts relations 2.1 crisis pt communication costs clean developoment aid aortic.*.