Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu tinh » trieu tinh, lieu tinh, chau tinh
dong thanh » truong thanh
trung tac » trung tam, trong tac, trung tai
ho chieu » theo chieu, hoc thieu, doi chieu
tac dung » sach dung, xay dung, tin dung
cong tan » cong san, cong thanh, cong ty
cong tac » 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 tac dung ((((cong tan) OR (cong tac))) or (dong thanh)) ran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - thanh trung tac dung ((((cong tan) OR (cong tac))) OR (dong thanh)) ran cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - thanh trung tac dung ((((cong tan) OR (cong tac))) or (dong thanh)) ran cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - thanh trung tac dung ((((cong tan) OR (cong tac))) or (dong thanh)) ran cau*.