Perhaps you should try some spelling variations:
thang long » change long
chong shu » cong shu, chong suk
lang yan » wang yan, wang yang, zhang yan
yan yuan » yan guan, fang yuan, nan yan
hang ong » zhang hong, zhang rong, hang seng
yuan li » yuan lin, guan li, yuan zi
li chih » lin chih, hai chih

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "lang yan yuan li chih ((hang ong) OR (thang long)) chong shu ;~".
• Adding a wildcard symbol may retrieve word variants: lang yan yuan li chih ((hang ong) OR (thang long)) chong shu ;*.