Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
trung tuan » trung thanh, trung tam, tran tuan
dan phuong » doan phuong, van phuong, lan phuong
trung cua » truong cua, trung cap, dung cua
dan than » dan chan, ban than, van than
van tuan » van quan, van ban, anh tuan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu sach - thanh ((trung cua) OR (trung tuan)) dan phuong ((dan than) OR (van tuan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu sach - thanh ((trung cua) OR (trung tuan)) dan phuong ((dan than) or (van tuan)) cau~".
• Adding a wildcard symbol may retrieve word variants: toc thieu sach - thanh ((trung cua) OR (trung tuan)) dan phuong ((dan than) or (van tuan)) cau*.