Perhaps you should try some spelling variations:
wang klein » wang lei, wang lin
klein kim » klein nir
minh long » vinh long
wing tan » wing ian, liang tan, hong tan
tan wang » tan yang, yan wang, qian wang
kim sang » kim song, kil sang, kim jang
cong » congo, hong, pong

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing tan wang klein kim sang ((minh long) OR (minh cong)) shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing tan wang klein kim sang ((minh long) OR (minh cong)) shu ;*".