Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh nang » ganh nang, hanh mang, hanh trang
bang cong » dang cong, bang song, hang cong
anh nang » ganh nang, anh bang, anh dang
cao bang » cao dang, cao tang, cao nang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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 nang) or (anh nang)) cao bang cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - ((hanh nang) OR (anh nang)) cao bang cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((hanh nang) or (anh nang)) cao bang cong dan toan cau*.