Perhaps you should try some spelling variations:
2.3.1.1 communication » 2.2.5.4 communication, 3.4.1 communication, 6.2.4.1 communication
technology gaps » technology gap
2.3 development » 2 development, 2015 development, 1 development
gaps inflation » has inflation, grade inflation, rapid inflation
inflation from » inflation rob, information from, inflation gross
development li » development lid, development lie, development lin
krieg 2.3.1.1 » krieg 2.3.1.2, kriege 2.3.1.3, primer 2.3.1.1
from krieg » from ieg, vom krieg, from king
li fabrics » die fabrics, _ fabrics
costs 2.3 » costs 4.2, costs 4.4

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

• Adding a wildcard symbol may retrieve word variants: technology gaps inflation from krieg 2.3.1.1 communication costs 2.3 development li fabrics.*.