Perhaps you should try some spelling variations:
thanh chuong » thanh huong, thanh cong, nhanh chong
chieu sang » chieu sach, chieu xanh, hieu lang
chuong tac » huong tac, cong tac, chung ta
trong toan » truong toan, trong hoan, trong tuan
tac thong » tac thuong, tac trong, tac chong
trong tan » trong quan, trong cac, trong ca
ho chieu » theo chieu, hoc thieu, mot chieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - thanh chuong tac thong ((trong toan) or (trong tan)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh chuong tac thong ((trong toan) OR (trong tan)) phan tu.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh chuong tac thong ((trong toan) or (trong tan)) phan tu*.