Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
trong dang » truong dang, trong dan, trong dong
hoc thieu » toc thieu, hoc hien
trung ha » trung hoc, trung tam, trung cap
dang van » hoang van, hang va
ha dung » hai dung, kha dung, nha dung

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 trung ha dung trong dang van ban~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh trung ha dung trong dang van ban*.