Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hang cong » dang cong, hang nong, bang cong
mang vua » mang cua, hang va, bang va
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man
mang va » hang va, bang va, dang va

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 ((mang va) OR (mang vua)) hang cong dan than ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh ((mang va) OR (mang vua)) hang cong dan than ban".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((mang va) OR (mang vua)) hang cong dan than ban*.