Perhaps you should try some spelling variations:
ancient king » ancient kingdom, ancient china
ancient city » ancient china, ancient sites
john ngosong » john song
ngosong shin » song shin
tuan china » wuhan china, can china, taiwan china
sin tuan » dinh tuan, sin tax, ji tuan
dong » doing, long, done

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

• Performing a fuzzy search may retrieve terms with similar spellings: dong sin tuan china ((ancient king) or (ancient city)) john ngosong shin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong sin tuan china ((ancient king) OR (ancient city)) john ngosong shin ;.
• Adding a wildcard symbol may retrieve word variants: dong sin tuan china ((ancient king) or (ancient city)) john ngosong shin ;*.