Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
hieu xanh » chieu xanh, hieu manh, hieu nganh
nhan dung » chan dung, nhan dang, ngan dung
dung cong » dung trong
doc hieu » toc thieu, hoc thieu, hoc hien
cong tac » cong ty
tac chan » tac chuan, tac can, tac chon
chan ta » chan tha, nhan tai, nhan tao

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 - doanh doanh nhan dung cong tac chan ta~.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - doanh doanh nhan dung cong tac chan ta*.