Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
truong cua » truong ca, truong quan, truong cao
tran thanh » ban thanh, van thanh, quan thanh
hoc thieu » toc thieu, hoc hien
trung cua » trung tuan, trung cap, dung cua
dung cong » dung trong
cong tan » cong tac, cong san, cong thanh

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 - thanh ((((trung cua) OR (truong cua))) OR (trung tam)) dung cong tan tran thanh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh ((((trung cua) OR (truong cua))) or (trung tam)) dung cong tan tran thanh~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((((trung cua) OR (truong cua))) or (trung tam)) dung cong tan tran thanh*.