Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
hoang van » hang va
cua thang » cua hang, cua thanh, xua thang
luong van » luong va, duong van, luong vat
toc hieu » toc thieu, doc hieu, hoc thieu
long van » song van, lang van, tong van
van cua » vang cua, ban cua, dan cua

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: toc hieu manh - hoang van cua thang ((long van) OR (luong van)) phan tu~.
• Adding a wildcard symbol may retrieve word variants: toc hieu manh - hoang van cua thang ((long van) or (luong van)) phan tu*.