Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
trung tuan » trung thanh, trung tam, tran tuan
hoc thieu » toc thieu, hoc hien
tuan dong » tuan duong, quan dong, luan dong
dong cong » duong cong, dung cong, dang cong
tan toan » tap toan, van toan, dan toan

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