Perhaps you should try some spelling variations:
thanh trung » thanh tung
thuong cong » thong cong, thuong con, thuong dong
hieu nganh » vien nganh, hiem ngan, hieu manh
cap thuong » chap thuong, ca thuong, cao thuong
trung cap » truong cao, trung tam
hoc hieu » hoc thieu, hoc hien, doc hieu
dan than » dan chan, ban than, dan toan
van than » van thanh, van thang, van tuan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu nganh - thanh trung cap thuong cong ((dan than) or (van than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu nganh - thanh trung cap thuong cong ((dan than) OR (van than)) cau*.