Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chiet tach, chieu sang, chieu xanh
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
ban thanh » ban hanh, ban hang
thanh cau » thanh chau, thanh mau, nhanh cau
cong ban » cong bang, cong san, cong tan

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 sach) or (hieu lang))) or (chinh sach)) - thanh trung cua nhung cong ban thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sach) OR (hieu lang))) OR (chinh sach)) - thanh trung cua nhung cong ban thanh cau.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sach) or (hieu lang))) or (chinh sach)) - thanh trung cua nhung cong ban thanh cau*.