Perhaps you should try some spelling variations:
information based » information case, information bank, transformation based
developing karst » developing east, developing forest, developing heart
d communication » de communication, 3 communication, 4 communication
3 developing » 3 development
karst areas » karstic areas, forest areas, thrust areas
practice d » practice 1, practice 5, practice 4
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information based practice d communication costs 3 developing karst areas.*.