Perhaps you should try some spelling variations:
gang minh » kang minah, anh minh, gong min
zhang yan » zhang fan, zhang jian, wang yan
sang minh » kang minah, anh minh, song min
lang yan » wang yan, wang yang, yang yang
long shu » cong shu, tong shui, long du
yang li » yang lin, yang di, yang xi
li yi » lin yi, li li, lu yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((lang yan) OR (zhang yan)) yang li yi ((gang minh) or (sang minh)) long shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((lang yan) OR (zhang yan)) yang li yi ((gang minh) OR (sang minh)) long shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((lang yan) OR (zhang yan)) yang li yi ((gang minh) or (sang minh)) long shu ;*".