Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
3.2 communication » 3 communication, 2.3 communication, de communication
der developpement » de developpement, des developpements, leur developpement
inflation gross » inflation across, inflation process, information gross
technology 2 » technology _, technology 1, technology 3
2 inflation » 12 inflation, _ inflation, 6 inflation
gross price » cross price, goods price
des afrique » en afrique, de l'afrique
price 3.2 » prices 3.2, price 2.2, rice 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology 2 inflation gross price 3.2 communication phase der developpement des afrique.*.