Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
tran tuan » tran xuan, tran quang, tran thanh
tuan hung » tran hung, luan hung, tuan dung
cuong dan » cuong danh, huong dan, tuong dan
chu sach » cau sach, chieu sach, chuc hach
thu sach » tu sach, thuat sach, thuoc sach
cong dan » cong san, cong tan, huong dan
chan cau » phan cau, can cau, chinh cau

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