Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh han » hanh nhan, hanh phan, hanh san
cua dong » chua dong, cua cong, cua dang
qua dung » quang dung, su dung, qua song
cong dan » cong san, cong tan, huong dan
toan cao » toan ban
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 han ((cua dong) or (qua dung)) cong dan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh han ((cua dong) OR (qua dung)) cong dan ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh han ((cua dong) or (qua dung)) cong dan ((toan cao) or (toan tap))*.