Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
chieu sang » chieu sach, chieu xanh, hieu lang
thuong dai » thuong mai, truong dai, thuong dam
hieu manh » chieu xanh, hieu nganh, dieu hanh
dai thong » dai tuong, dai hong, dai thang
cong tinh » cong vinh, long tinh, cong thanh
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu manh) or (chieu sang)) - thanh thuong dai thong ((cong tinh) OR (cong trinh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu manh) OR (chieu sang)) - thanh thuong dai thong ((cong tinh) OR (cong trinh)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu manh) or (chieu sang)) - thanh thuong dai thong ((cong tinh) OR (cong trinh)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu manh) or (chieu sang)) - thanh thuong dai thong ((cong tinh) OR (cong trinh)) toan cao*.