Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
technology rapid » technology rate, technology road, technology trap
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
rapid inflation » rapid population
inflation und » inflation index, inflation _, inflation tax
und price » fund price, usd price, fund prices
price 3.5 » price 3.2, price 2.3, price 4.4
phase du » phase de, phase der, phase des

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

• Adding a wildcard symbol may retrieve word variants: technology rapid inflation und price 3.5 communication phase du developpement en afrique.*.