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
doc hieu » toc thieu, hoc thieu, hoc hien
dan chan » dan gian, dan ca, van chat
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: doc hieu nganh - thanh trung cap thuong cong ((dan chan) or (van than)) cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu nganh - thanh trung cap thuong cong ((dan chan) OR (van than)) cap*.