Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tran » thanh trang, thanh toan, thanh tra
hoc thieu » toc thieu, hoc hien
tran xuan » tran quang, tran van
xuan hang » xuan hoang, xuan thang, xuan nang
cong tan » cong tac, cong san, 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 tran xuan hang ((cong tan) or (truong thanh)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tran xuan hang ((cong tan) OR (truong thanh)) van ban*.