Perhaps you should try some spelling variations:
4.7 communication » 2.7 communication, 4.1 communication, 4.1.7 communication
data development » delta development, doha development, data envelopment
development law » development latin, development 1
technology 2.2 » technology _, technology 1, technology 3
2.2 inflation » 2.3 inflation, 3.2 inflation, 2.2.4 inflation
law afrique » l afrique
rate where » race where, later where, paste where
costs data » cost data
where 4.7 » here 4.2, where 3.1, where 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 inflation rate where 4.7 communication costs data development law afrique.*.