Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cap » truong cao, trung tam
san khang » van khang, san chang, san khong
khang cap » khan cap, khang chan, hang ca
doc hieu » toc thieu, hoc thieu, hoc hien
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu manh - thanh ((trung cap) or (truong quan)) trong cong san khang cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu manh - thanh ((trung cap) OR (truong quan)) trong cong san khang cap.
• Adding a wildcard symbol may retrieve word variants: doc hieu manh - thanh ((trung cap) or (truong quan)) trong cong san khang cap*.