Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
leur developpement » le developpement, deux developpements, de developpement
technology trade » technology trends, technology transfer, technology transfers
developpement la » developpement de, developpement et, developpement du
trade sanctions » trade transactions
sanctions cause » sanctions case, reactions causes
cause whose » change whose, nature whose
phase leur » phase der, phase four
la afrique » l afrique, la fabrique, en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology trade sanctions cause whose _ communication phase leur developpement la afrique.*.