Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
technology wage » technology wages, technology age, technology usage
wage inflation » grade inflation, high inflation, core inflation
developing des » developing deep, developing e, developing ce
4 developing » 3 developing
inflation a » inflation _, inflation tax, inflation rate
des risques » les risques
price de » price _, price 3, price a
a price » a primer
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology wage inflation a price de communication costs 4 developing des risques.*.