Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
dung cong » dung trong
tang cua » mang cua, hang cua, tang luan
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
toan tai » toan tap, doanh tai, toan cao

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 dung cong san ((toan tai) or (((toan ban) or (van ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh tang cua dung cong san ((toan tai) OR (((toan ban) OR (van ban)))).
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tang cua dung cong san ((toan tai) or (((toan ban) or (van ban))))*.