Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
trong quan » thong quan, tong quan, thong quang
tieu xanh » tieu danh, chieu xanh, dieu hanh
tuong cua » truong cua, huong cua, thong cua
cua dung » cua dang, cua dong, qua dung
than cap » khan cap, thanh lap, thanh cac
phan cau » phan dau, phan cac, phan tu

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 - thanh tuong cua dung trong quan ((than cap) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh tuong cua dung trong quan ((than cap) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh tuong cua dung trong quan ((than cap) or (phan cau))*.