Perhaps you should try some spelling variations:
thanh tung » thanh cong
hien hanh » dieu hanh
dang cong » dung cong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban
tung da » tung dan, dung da, tang da
da dang » da nang, cao dang, dia danh

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) or (thi thanh)) - thanh tung da dang cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien hanh) OR (thi thanh)) - thanh tung da dang cong tan toan ban*.