Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
va truong » van truong, xa truong, va thuong
va trong » va thong, va tuong, va trung
cong ban » cong bang, cong san, cong tan
ban khan » ban than, ban nhan, ban chan
khan ap » khan cap, han ap, khan dam

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 ((va trong) or (va truong)) cong ban khan ap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tung ((va trong) OR (va truong)) cong ban khan ap*.