Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
inflation gross » inflation across, inflation process, information gross
technology 3 » technology _, technology 1, technology 4
3 inflation » _ inflation, 2 inflation, 6 inflation
gross price » cross price, goods price
price 2.7 » price 2.3, price 2.2, price 2.4

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

• Adding a wildcard symbol may retrieve word variants: technology 3 inflation gross price 2.7 communication phase der developpement en afrique.*.