Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
trung hoc » trung quoc
dung cong » dung trong
trung ha » trung tam, trung cap
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: toc thieu xanh - thanh ((trung ha) OR (trung hoc)) dung cong ban khan ap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu xanh - thanh ((trung ha) OR (trung hoc)) dung cong ban khan ap*".