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

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 sang)) - tinh binh va thong cong tan thinh chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu sang)) - tinh binh va thong cong tan thinh chat*.