Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh hang » thanh hang, hanh han, hanh mang
hang hang » nang hang, cang thang, hung thang
dang cong » dung cong
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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 hang) or (hang hang)) cua dang cong tan ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh hang) OR (hang hang)) cua dang cong tan ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh hang) or (hang hang)) cua dang cong tan ((toan cau) or (toan tap))*.