Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
dang cong » dung cong
van khang » van khanh, van thanh, van quang
tang cua » mang cua, hang cua, tang luan
cua dang » cua cong, cua ban
van than » van thanh, van thang, van tuan

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 tang cua dang cong ((((van than) or (van khang))) or (anh tuan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh tang cua dang cong ((((van than) OR (van khang))) OR (anh tuan)) cao.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tang cua dang cong ((((van than) or (van khang))) or (anh tuan)) cao*.