Perhaps you should try some spelling variations:
xuan thanh » quan thanh, quang thanh, ban thanh
hieu lang » chieu sang, hieu quang, nhieu tang
cua thang » cua hang, cua thanh, cua thuong
xua thang » xuan thang, xuan trang, cua hang
nguoi dan » nguoi dao, nguoi san, nguong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - hanh chinh ((cua thang) or (((xua thang) OR (xuan thanh)))) nguoi dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh chinh ((cua thang) OR (((xua thang) OR (xuan thanh)))) nguoi dan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - hanh chinh ((cua thang) or (((xua thang) OR (xuan thanh)))) nguoi dan than cau".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh chinh ((cua thang) or (((xua thang) OR (xuan thanh)))) nguoi dan than cau*.