Perhaps you should try some spelling variations:
china ahead » china asean, china already, china agenda
tang china » hang china, kong china, ming china
lung tang » leung tang, gung thang, lung can
tang tang » taizong tang
tang jie » yang jie, tang li, yang jin
yang jun » yang jui, pang jun, yang jin
wang hui » wang hua, wang zhi, wang wei

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

• If you are trying to use Boolean operators, they must be ALL CAPS: lung tang tang china ahead ((tang jie) OR (yang jun)) ((tong hui) OR (wang hui)) ;~.
• Adding a wildcard symbol may retrieve word variants: lung tang tang china ahead ((tang jie) or (yang jun)) ((tong hui) or (wang hui)) ;*.