Perhaps you should try some spelling variations:
hanh tranh » hanh trinh, hanh trang, lanh tranh
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan ban
hieu va » lieu va, hieu qua

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((vien bach) or (hieu va)) - ((hanh tranh) or (canh tranh)) cua dung cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((vien bach) OR (hieu va)) - ((hanh tranh) OR (canh tranh)) cua dung cong tan toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((vien bach) or (hieu va)) - ((hanh tranh) or (canh tranh)) cua dung cong tan toan tap*.