Perhaps you should try some spelling variations:
thanh trung » thanh tung
thong dung » thong cong, thong thuong
hoc thieu » hoc hien
trung can » trung cap, trung van, trong can
can thong » ban thong, cac thong, van thong
dung dan » dung dat, dung san, tung dan
dan danh » van danh, han danh, ban danh
danh ca » dan ca, doanh cua, danh cho

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (hoc thieu)) tach - thanh trung can thong dung dan danh ca~.
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) or (hoc thieu)) tach - thanh trung can thong dung dan danh ca*.