Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh hung » thanh huong, thanh tung, thanh trung
tuan duong » tuyen duong, tuong duong, van duong
hoc thieu » toc thieu, hoc hien
hung tuan » hung tran, quang tuan, trung tuan
cong toan » cong tan, cong hoan, cong doan
cong tuan » cong tan, cong luan, cong thanh

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 hung tuan duong ((cong toan) or (cong tuan)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh hung tuan duong ((cong toan) OR (cong tuan)) van ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh hung tuan duong ((cong toan) or (cong tuan)) van ban*.