Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
chong cong » cong cong, thong cong, cuong cong
chau tinh » cuu tinh, ha tinh, cua tinh
chu tinh » chua tinh, cuu tinh, chu tich
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

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