Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
quan nhung » qua nhung, cua nhung, luan chung
tieu xanh » tieu danh, chieu xanh, dieu hanh
cong bang » cuong bang, dong bang, hong bang
bang than » bang thanh, ban than, sang than
canh dan » canh van, thanh dan, cac dan
sanh dan » sach danh, sinh danh, thanh dan
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - ((canh dan) or (sanh dan)) quan nhung cong bang than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((canh dan) OR (sanh dan)) quan nhung cong bang than cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((canh dan) or (sanh dan)) quan nhung cong bang than cau*.