Perhaps you should try some spelling variations:
communication modes » communication model, communication des, communication media
3.2 communication » 3 communication, 2.3 communication, de communication
11 development » 1 development, 16 development, 3.1 development
development la » development law, development li, development land
inflation tax » inflation rate, inflation _, inflation target
tax prices » gas prices, car prices, tax practices
prices 3.2 » price 3.2, prices 3.1, prices 4.2
la afrique » l afrique, la fabrique, en afrique
modes 11 » modes 1, modes 1.3, modes 3.1

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

• Adding a wildcard symbol may retrieve word variants: technology _ inflation tax prices 3.2 communication modes 11 development la afrique.*.