Perhaps you should try some spelling variations:
hien nhanh » hien hanh, thien thanh, dien thanh
tien thanh » tien thinh, tran thanh, den thanh
hanh mang » nhanh mang, hanh trang, nhanh lang
dang cong » dung cong
dan khanh » dang khanh, van khanh, dat khanh
mang cua » manh cua, dung cua, ban cua
cua dang » cua cong, cua ban
dan hanh » dang hanh, dan thanh, ban hanh

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 nhanh) or (tien thanh)) - hanh mang cua dang cong ((dan hanh) or (dan khanh)) tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien nhanh) OR (tien thanh)) - hanh mang cua dang cong ((dan hanh) OR (dan khanh)) tu.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien nhanh) or (tien thanh)) - hanh mang cua dang cong ((dan hanh) or (dan khanh)) tu*.