Perhaps you should try some spelling variations:
thien chanh » thien chinh, hien hanh, tien thanh
thien thanh » tien thanh, thi thanh, hien hanh
thanh trung » thanh tung
thien danh » thien anh, thien dang, thien van
nhung cong » dung cong, thong cong, hang cong
trung va » truong va, trang va, trung ha
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cao » chan cho, chat cao, chay cao

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: hoc ((((thien chanh) OR (thien thanh))) OR (thien danh)) - thanh trung va nhung cong dan chan cao~.
• Adding a wildcard symbol may retrieve word variants: hoc ((((thien chanh) or (thien thanh))) or (thien danh)) - thanh trung va nhung cong dan chan cao*.