Perhaps you should try some spelling variations:
thanh trang » thanh trung, hanh trang, thanh thang
thien dang » thien bang, thien danh, thien nang
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
hieu manh » hieu nganh, dieu hanh, hien hanh
trang va » tran van, hang va
va thong » va thuong, va phuong, he thong
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao van

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: hoc ((((hieu manh) OR (thien dang))) OR (chieu xanh)) - thanh trang va thong cong dan van ban~.
• Adding a wildcard symbol may retrieve word variants: hoc ((((hieu manh) or (thien dang))) or (chieu xanh)) - thanh trang va thong cong dan van ban*.