Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
hanh trang » thanh trung, canh tranh, hanh trinh
hien xanh » hien hanh, hien nhanh, chieu xanh
cua dung » cua dang, cua dong, qua dung
song van » hoang van, trong van, duong van
van toan » van tuan, van tan, van thanh
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: hoc ((hien xanh) or (hieu quang)) - hanh trang ((cua dung) or (qua song)) song van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hieu quang)) - hanh trang ((cua dung) OR (qua song)) song van toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hieu quang)) - hanh trang ((cua dung) or (qua song)) song van toan ban*.