Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
chieu sang » chieu sach, chieu xanh, hieu lang
thuong cua » huong cua, thong cua, truong cua
chau tinh » cuu tinh, ha tinh, cua tinh
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
tam toan » tam than, pham toan, tam thanh
tap toan » tap doan, tap quan, bai toan

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) or (chau tinh)) - thanh thuong cua dung cong ((tam toan) OR (tap toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chau tinh)) - thanh thuong cua dung cong ((tam toan) OR (tap toan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (chau tinh)) - thanh thuong cua dung cong ((tam toan) OR (tap toan)) ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chau tinh)) - thanh thuong cua dung cong ((tam toan) OR (tap toan)) ban*.