Perhaps you should try some spelling variations:
china ahead » china asean, china already, china agenda
tang china » hang china, kong china, ming china
tang tang » taizong tang
ying jin » yang jin, jing ji
yang jie » yang jin, yang di, yang jui
pang jun » yang jui
wang hui » wang hua, wang zhi, wang wei

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

• Performing a fuzzy search may retrieve terms with similar spellings: (leung or yeung) tang tang china ahead ((((ying jin) OR (yang jie))) or (pang jun)) wang hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (leung OR yeung) tang tang china ahead ((((ying jin) OR (yang jie))) OR (pang jun)) wang hui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(leung or yeung) tang tang china ahead ((((ying jin) OR (yang jie))) or (pang jun)) wang hui ;*".