Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
thanh phan » thanh pho, thanh san, thanh toan
ho chieu » theo chieu, hoc thieu, doi chieu
trung va » truong va, trang va, trung ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tieu) or (ho chieu)) sach - thanh trung va nhung cong thanh phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (ho chieu)) sach - thanh trung va nhung cong thanh phan tu.
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (ho chieu)) sach - thanh trung va nhung cong thanh phan tu*.