Perhaps you should try some spelling variations:
thanh trang » hanh trang, thanh thang, thanh tran
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
hien hanh » dieu hanh
hien anh » thien anh, dien anh, tien anh
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.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien anh) OR (hien hanh)) - ((thanh trang) or (thanh trung)) va nhung cong dan chan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien anh) OR (hien hanh)) - ((thanh trang) OR (thanh trung)) va nhung cong dan chan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien anh) OR (hien hanh)) - ((thanh trang) or (thanh trung)) va nhung cong dan chan cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien anh) OR (hien hanh)) - ((thanh trang) or (thanh trung)) va nhung cong dan chan cao*.