Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
thinh chat » tinh chat, trinh chat, thinh phat
tinh dinh » trinh dinh, tinh ninh, tinh binh
van thong » van thuong, van phong, va thong
tan thinh » van thinh, tien thinh, tai chinh
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (chieu xanh)) - tinh dinh van thong cong tan thinh chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - tinh dinh van thong cong tan thinh chat*.