Perhaps you should try some spelling variations:
hanh hai » thanh hai, nhanh hai, hang hai
duc manh » suc manh, duc anh, duc minh
tu sach » thu sach, su sach, te sach
hai cua » thai cua, dai cua, hoi cua
xuc van » duc van, luc van, xuc ban
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
va cao » va cac, va co, va dao
ve cam » ve cham, ve cac, va cam

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 lang xa hoi. hieu ((ve cam) or (va cao)) ((xuc van) or (duc manh)) hanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky lang xa hoi. hieu ((ve cam) OR (va cao)) ((xuc van) OR (duc manh)) hanh hai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky lang xa hoi. hieu ((ve cam) or (va cao)) ((xuc van) or (duc manh)) hanh hai cua tre*.