Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
te sach » toc sach
dai cuu » dai cua, dai huu
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
cuu tre » cua tre, cau tren, cau treo
ky danh » ky anh, ky dang
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
ma hoi » mai hoi, xa hoi, me hoi
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: te sach ky danh ((ma hoi) OR (ma hoa)). hieu ve cam ((xuc va) or (tuc va)) hanh dai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky danh ((ma hoi) OR (ma hoa)). hieu ve cam ((xuc va) OR (tuc va)) hanh dai cuu tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky danh ((ma hoi) OR (ma hoa)). hieu ve cam ((xuc va) or (tuc va)) hanh dai cuu tre*".