Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach, thuat tach
hanh trang » thanh trung, hanh trinh, minh trang
hoc thiet » hoc thieu, hoc thuyet, hoc hien
dang cong » dung cong
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thiet tach - ((hanh trang) or (canh tranh)) cua dang cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet tach - ((hanh trang) OR (canh tranh)) cua dang cong tan toan ban*.