Perhaps you should try some spelling variations:
phuong van » phong van, phuong lan, phuong va
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh than » hanh han, hanh nhan, hanh phan
ho chieu » theo chieu, hoc thieu, mot chieu
than cua » nhan cua, thai cua, ban cua
cua bang » chua bang, cua ban, cua dang
than cap » khan cap, thanh lap, thanh cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh than cua bang ((phuong van) OR (phung van)) than cap~.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh than cua bang ((phuong van) or (phung van)) than cap*.