Perhaps you should try some spelling variations:
price developpement » price development, rice development, price developments
communication cost » communication costs, communication costa, communications costs
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
technology 2.1.3 » technology 2.1.1, technology 2.1.2, technology 2.2.3
developpement en » developpement et, developpement des, developpement de
2.1.3 inflation » 2.2.4 inflation, 2.3 inflation, 2.3.1 inflation
inflation tax » inflation rate, inflation _, inflation target
cost price » cost pricing, cost private
tax case » tax cases, tax base, tax bases
case 4.1 » case 4.2, case 1

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

• Adding a wildcard symbol may retrieve word variants: technology 2.1.3 inflation tax case 4.1 communication cost price developpement en afrique.*.