Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
trung tuan » trung thanh, tran tuan, truong thanh
trong sang » trong dang, trong tang, thong sang
thanh phan » thanh pho, thanh san, thanh toan
trong san » trong cac, cong san, dong san
ho chieu » theo chieu, hoc thieu, doi chieu

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 (trung tam)) dung ((trong sang) or (trong san)) thanh phan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - thanh ((trung tuan) OR (trung tam)) dung ((trong sang) OR (trong san)) thanh phan.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - thanh ((trung tuan) OR (trung tam)) dung ((trong sang) or (trong san)) thanh phan".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - thanh ((trung tuan) OR (trung tam)) dung ((trong sang) or (trong san)) thanh phan*.