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

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