Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
tong quang » thong quang, trong quang, tuong quang
quang toan » quang tuan, quang tran, quang doan
hoc thieu » toc thieu, hoc hien
qua dung » quang dung, su dung, qua 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: hoc thieu xanh - thanh tung ((qua dung) or (qua song)) tong quang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tung ((qua dung) OR (qua song)) tong quang toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tung ((qua dung) or (qua song)) tong quang toan ban*.