Perhaps you should try some spelling variations:
nang doc » nang luc
hanh hai » thanh hai, nhanh hai, hang hai
tu sach » thu sach, su sach, te sach
hai cua » thai cua, dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
va tham » van tham, va thanh, va thuat
sach ky » sac ky, sach y, sach ty
va cham » va chat
doc hoi » duoc hoi, hoc hoi, doc hai
xuc va » tuc va, luc va, xac va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky nang doc hoi. thien ((va cham) OR (va tham)) ((xuc va) or (duc va)) hanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang doc hoi. thien ((va cham) OR (va tham)) ((xuc va) OR (duc va)) hanh hai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang doc hoi. thien ((va cham) OR (va tham)) ((xuc va) or (duc va)) hanh hai cua tre*".