Perhaps you should try some spelling variations:
communications prices » communications price, communications services, communications series
information 1.5.2 » information 1.2, information 2
development plans » development planning, development policy, development policies
2 communications » 2 communication, 3 communications, 4 communications
3.1 development » 2 development
prices 3.1 » prices 2.1, prices 3.2, prices 2.3.1
plans area » upland area, plans asia
1.5.2 a » 11.5.2 a, 12.5.2 a, 13.5.2 a

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 1.5.2 a 2 communications prices 3.1 development plans area.*.