Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
dang cong » dung cong
hanh han » hanh nhan, hanh phan, anh han
hanh san » thanh san, khach san, thanh son
cua dang » cua cong, cua ban
cong san » cong tac
san phan » san pham, van phan, sat phan
phan cac » nhan cach, phan dau, phan lap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - ((hanh han) or (hanh san)) cua dang cong san phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh han) OR (hanh san)) cua dang cong san phan cac.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh han) or (hanh san)) cua dang cong san phan cac*.