Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
dang cong » dung cong
hang tai » hang va, dung tai
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
hang ca » hang va, nang cao, hang dau

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 - thanh ((hang ca) OR (hang tai)) dang cong dan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - thanh ((hang ca) OR (hang tai)) dang cong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh ((hang ca) OR (hang tai)) dang cong dan toan cao*.