Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
qua dung » quang dung, su dung, qua cong
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap

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 trung ((qua dung) or (qua song)) cong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh trung ((qua dung) OR (qua song)) cong tan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh trung ((qua dung) or (qua song)) cong tan than cau*.