Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
tan thanh » tran thanh, tang thanh, toan thanh
thanh lai » thanh hai, thanh lap, thanh loi
thu sach » tu sach, thuat sach, thu hoach
ky lang » ky nang, ky dang, ky tang
van hoi » van hoc, van hoe, van loi
lai cua » dai cua, hai cua, lai chau
du tan » duc tan, duy tan, du tap
cua su » qua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (thuoc sach)) ky lang ((van hoi) OR (van hoa)). lieu va cac du tan thanh lai cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thuoc sach)) ky lang ((van hoi) OR (van hoa)). lieu va cac du tan thanh lai cua su.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) or (thuoc sach)) ky lang ((van hoi) OR (van hoa)). lieu va cac du tan thanh lai cua su".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (thuoc sach)) ky lang ((van hoi) OR (van hoa)). lieu va cac du tan thanh lai cua su*.