Perhaps you should try some spelling variations:
6.2.4.1 communication » 6.2.4.2 communication, 6.2.4.3 communication, 11.4.1 communication
development law » development latin, development 1
technology u.s » technology uses, technology 2.2, technology use
inflation food » inflation good, inflation from, inflation und
u.s inflation » und inflation, 2.3 inflation, 3.2 inflation
law fabrique » la fabrique
food price » food prices

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

• Adding a wildcard symbol may retrieve word variants: technology u.s inflation food price 6.2.4.1 communication costs _ development law fabrique.*.