Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
chau tinh » cuu tinh, ha tinh, cac tinh
tong cong » trong cong, cong cong, dung cong
dan thanh » dang thanh, danh thanh, ban thanh
thanh lap » thanh san, phan lap, thanh hai
cua tinh » cua sinh, va tinh, ha tinh
dung cua » dung luan, dung cho
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chau tinh) OR (cua tinh)) - thanh ((dung cua) or (trung tuan)) tong cong dan thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chau tinh) OR (cua tinh)) - thanh ((dung cua) OR (trung tuan)) tong cong dan thanh lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chau tinh) OR (cua tinh)) - thanh ((dung cua) or (trung tuan)) tong cong dan thanh lap".
• Adding a wildcard symbol may retrieve word variants: ho ((chau tinh) OR (cua tinh)) - thanh ((dung cua) or (trung tuan)) tong cong dan thanh lap*.