Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
cua thuong » cua truong, cua phuong, cua huong
khang chan » khang chien, quang chan
hieu manh » chieu xanh, hieu nganh, dieu hanh
ca thuong » cao thuong, va thuong, cp thuong
tai khang » tan khang, tao khang, dai khoang
hoc hieu » hoc thieu, hoc hien, doc hieu
dong tai » dung tai, luong tai, 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: hoc hieu manh - thanh dung ((cua thuong) or (ca thuong)) dong tai khang chan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - thanh dung ((cua thuong) OR (ca thuong)) dong tai khang chan.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - thanh dung ((cua thuong) or (ca thuong)) dong tai khang chan*.