Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
thanh tran » thanh trang, thanh toan, thanh tra
tuan phung » tuan hung, tuan phong, tran phuong
phung cong » nhung cong, phong cong, nhung chong
tran tuan » tran xuan, tran quang, tran thanh
chu sach » cau sach, thu sach, chieu sach
dan chan » dan gian, van chat

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 sach) or (thuoc sach)) - thanh tran tuan phung cong ((dan chan) OR (dan ca)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu sach) OR (thuoc sach)) - thanh tran tuan phung cong ((dan chan) OR (dan ca)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu sach) or (thuoc sach)) - thanh tran tuan phung cong ((dan chan) OR (dan ca)) cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chu sach) or (thuoc sach)) - thanh tran tuan phung cong ((dan chan) OR (dan ca)) cau*.