Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
tung chung » thung chung, tuong chung, dung chung
chung nhan » chung khoan, dung nhan, chung nam
hoc thieu » toc thieu, hoc hien
nhan nong » nhan dong, nhan tong, nhanh dong
dan van » dang van, doan van, tan van
dao van » do van, dang van

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 chung nhan nong ((dan van) or (dao van)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tung chung nhan nong ((dan van) OR (dao van)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tung chung nhan nong ((dan van) or (dao van)) ban*.