Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
hanh trung » thanh trung, hanh trang, manh trung
duong sach » duong manh
hien sach » dien sach, thien hach, chieu sach
kien sach » dien sach, vien bach, kien mac
tuan rung » tuan trung, tuan dung, tuan hung
duong anh » duong manh, duong xanh, duong vanh
tuan cu » tuan tu, quan cua, tuan thu

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: hoc ((hien sach) OR (kien sach)) - hanh trung tuan rung ((duong anh) OR (duong sach)) tuan cu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien sach) OR (kien sach)) - hanh trung tuan rung ((duong anh) or (duong sach)) tuan cu~".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien sach) OR (kien sach)) - hanh trung tuan rung ((duong anh) or (duong sach)) tuan cu*.