Perhaps you should try some spelling variations:
external developments » materials developments, sectorial developments, external developing
communication debt » communication des, communication de, communication delay
developments after » development chapter, development center, developments from
i communication » ii communication, ai communication, 3 communication
debt external » debts external, bebts external, net external
creation 1.1 » creation 12.1, creation 3.1, creation 1.3
1.1 crisis » 11 crisis, 2.1 crisis, 3.1 crisis
after art » after care, after dark, after a
crisis i » crisis _, crisis a, crisis 1

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

• Adding a wildcard symbol may retrieve word variants: technology _ creation 1.1 crisis i communication debt external developments after art.*.