Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
trung tuan » trung thanh, trung tam, truong thanh
tran tuan » tran xuan, tran quang, tran thanh
chinh can » chinh ca, chinh ban, chinh cau
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong tan, huong dan, cong dong
cong san » cong tac

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

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