Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
developpement en » developpement et, developpement des, developpement de
inflation taxes » inflation rates, inflation tax, inflation targets
technology 2.2 » technology _, technology 1, technology 3
2.2 inflation » 2.3 inflation, 3.2 inflation, 2.2.4 inflation
taxes trade » states trade, tax trade, wages trade
trade de » trade die, rade de, trade date

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 inflation taxes trade de communication costs _ developpement en afrique.*.