Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
leur developpement » le developpement, deux developpements, de developpement
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
technology trade » technology trends, technology transfer, technology transfers
developpement en » developpement et, developpement des, developpement de
trade inflation » grade inflation, trade insulation, rate inflation
inflation tax » inflation rate, inflation _, inflation target
tax prices » gas prices, car prices, tax practices
prices 2.7 » prices 2.4, prices 2.1, prices 2.3
phase leur » phase der, phase four

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

• Adding a wildcard symbol may retrieve word variants: technology trade inflation tax prices 2.7 communication phase leur developpement en afrique.*.