Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thi hieu » thi chieu, thi hien, thi dieu
trang va » tran van, hang va
cong anh » cong danh, dong anh, hong anh
anh toan » manh toan, anh tuan, thanh toan
toan cau » toan cao, toan ban, toan tap
tang va » tang van, thang va, tang vat

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: ((thi hieu) OR (theo tieu)) xanh - hanh ((tang va) OR (trang va)) nhung cong anh toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thi hieu) or (theo tieu)) xanh - hanh ((tang va) OR (trang va)) nhung cong anh toan cau~".
• Adding a wildcard symbol may retrieve word variants: ((thi hieu) or (theo tieu)) xanh - hanh ((tang va) OR (trang va)) nhung cong anh toan cau*.