Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
truong cao » truong dai
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
ban thanh » ban hanh, ban hang
ban than » van thanh, ban hang, ban hanh

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh ((truong cao) OR (trung tuan)) nhung cong ((ban than) OR (ban thanh)) cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh ((truong cao) or (trung tuan)) nhung cong ((ban than) OR (ban thanh)) cap~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((truong cao) or (trung tuan)) nhung cong ((ban than) OR (ban thanh)) cap*.