Perhaps you should try some spelling variations:
danh lai » danh sai, gianh lai, dinh lam
cac truc » cau truc, cac tru, cac trung
van hoi » van hoa, van hoc, van hoe
lai cua » dai cua, hai cua, lai chau
va danh » va dinh, va dan, va hanh
truc va » thuc va, thuc vat, trung va
su sach » so sach
ky dang » ky nang, ky danh
ky lang » ky nang, ky tang, tay lang
vu sach » vu bach, vu khach
cua tre » cua te, cuu tre, cua triet

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

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