Perhaps you should try some spelling variations:
developed industry » development industry, developed country
oral communication » personal communication
technology port » technology report, technology export, technology park
operation cases » operation case, operation costs, cooperation case
port operation » port operations, court operations, plant operation
2 developed » _ developed, a developed, 1 developed
cases 16 » cases 1, cases 6, cases 10
16 oral » 16 moral, 1 oral, 10 oral
costs 2 » costs 20, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology port operation cases 16 oral communication costs 2 developed industry africa.*.