Perhaps you should try some spelling variations:
cuon sach » duong sach, cuoc cach, co sach
thien van » thi van
so sach » so sanh, bo sach, co sach
hau xuc » chat xuc
cua tre » cuu tre, cua triet, dua tren
danh di » danh du, xanh di, danh dien
va danh » va dinh, va dan, va hanh
van hau » van ha, van hai, van dau
cao hoi » cau hoi, co hoi, cao hoc
xuc va » duc va, tuc va, luc va
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) or (cuon sach)) ky nang cao hoi. thien van hau xuc va danh di ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (cuon sach)) ky nang cao hoi. thien van hau xuc va danh di ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) or (cuon sach)) ky nang cao hoi. thien van hau xuc va danh di ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (cuon sach)) ky nang cao hoi. thien van hau xuc va danh di ((cua tre) OR (cua te))*.