Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh hung » thanh huong, thanh tung, thanh trung
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
tac khang » tan khang, tao khang, bach khang
khang cau » hang cau, khang cu, khang chan
hung hoc » chung hoc, khung hoc, nhung hoc
hoc dung » hoc ung, hoc dan, tac dung
cong tac » cong ty

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 hung hoc dung cong tac khang cau~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh hung hoc dung cong tac khang cau*.