Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cao » truong dai
hieu lang » chieu sang, hieu quang, nhieu tang
dong dong » dong duong, cong dong, dung dong
dong von » dung von, dong co, dong hoc
ban ca » ban cua, ban can, ban cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) or (hieu lang)) - hanh truong cao ((dong dong) or (dong von)) van ban ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (hieu lang)) - hanh truong cao ((dong dong) OR (dong von)) van ban ca.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (hieu lang)) - hanh truong cao ((dong dong) or (dong von)) van ban ca*.