Perhaps you should try some spelling variations:
tieu xanh » chieu xanh, dieu hanh, tien anh
tieu danh » dieu danh, tiep danh, thien danh
hanh tang » hanh trang, anh tang, hanh mang
viet hung » viet huong, viet trung
van dung » van dong, xay dung, tin dung
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cap » khan cap, thanh lap, thanh cac

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (tieu danh)) - hanh tang ((van dung) OR (viet hung)) cong ban than cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) OR (tieu danh)) - hanh tang ((van dung) or (viet hung)) cong ban than cap~".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) OR (tieu danh)) - hanh tang ((van dung) or (viet hung)) cong ban than cap*.