Perhaps you should try some spelling variations:
hieu xanh » chieu xanh, hieu manh, hieu nganh
hanh tang » hanh trang, anh tang, hanh mang
dang cong » dung cong
doc hieu » toc thieu, hoc thieu, hoc hien
tang cua » mang cua, hang cua, tang luan
cua dang » cua cong, cua ban
cong tac » cong ty
nhan sau » nhan su, nhanh cau, thanh sau
nhan san » nhan dan, nhan van, nha san

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 xanh - hanh tang cua dang cong tac ((nhan sau) OR (nhan san))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - hanh tang cua dang cong tac ((nhan sau) OR (nhan san))".
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh tang cua dang cong tac ((nhan sau) OR (nhan san))*.