Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
duong manh » duong van
duong xanh » duong van, duong sach, duong minh
hieu lang » chieu sang, nhieu tang, hieu van
hanh tang » hanh trang, anh tang, hanh mang
tang cua » mang cua, hang cua, tang luan
cua hang » cua dang, cua nhung, cua cong
toan ban » van ban

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 lang) OR (hieu quang)) - hanh tang cua hang ((duong manh) or (duong xanh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (hieu quang)) - hanh tang cua hang ((duong manh) OR (duong xanh)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) OR (hieu quang)) - hanh tang cua hang ((duong manh) or (duong xanh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) OR (hieu quang)) - hanh tang cua hang ((duong manh) or (duong xanh)) toan ban*.