Perhaps you should try some spelling variations:
thuong luong » theo luong, cong luong, thong thuong
thanh trung » thanh tung
hien hanh » dieu hanh
ha thuong » han thuong, hai thuong, va thuong
trung ha » trung hoc, trung tam, trung cap
dan toan » van toan, dan than, manh toan
van tan » van tuan, van ban, van tai

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 hanh - thanh trung ha thuong luong ((dan toan) or (van tan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - thanh trung ha thuong luong ((dan toan) OR (van tan)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - thanh trung ha thuong luong ((dan toan) or (van tan)) ban*.