Perhaps you should try some spelling variations:
hieu xanh » chieu xanh, hieu manh, hieu nganh
tranh cua » doanh cua, manh cua
dong cong » duong cong, dung cong, dang cong
doc hieu » toc thieu, hoc thieu, hoc hien
cua dong » chua dong, cua cong, cua dang
cong tac » cong ty
tac chan » tac chuan, tac can, tac chon
chan tap » han tap, phan tap, chan ta

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 - canh tranh cua dong cong tac chan tap~.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - canh tranh cua dong cong tac chan tap*.