Perhaps you should try some spelling variations:
thanh tung » thanh cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
bang cong » dang cong, bang song, hang cong
cong dinh » cong vinh, cong tinh, cong danh
dinh phan » dinh phap, dich phan, dinh than
cua bang » chua bang, cua ban, cua dang
phan dau » phan tu, 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 trung) OR (thanh tung)) cua bang cong dinh phan dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - ((thanh trung) OR (thanh tung)) cua bang cong dinh phan dau".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - ((thanh trung) OR (thanh tung)) cua bang cong dinh phan dau*.