Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
manh hai » lanh hai, minh hai, thanh hai
anh hai » lanh hai, anh thai, anh bai
cuc ban » cua ban, cac ban, cuu ban
ve cham » va cham, ve chat, vu cham
nang ma » tang ma, sang ma, nang cao
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang
ve cam » ve cac, va cam, ve cai
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach y nang ma hoi. hieu ((ve cam) or (ve cham)) cuc ban ((anh hai) or (manh hai)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang ma hoi. hieu ((ve cam) OR (ve cham)) cuc ban ((anh hai) OR (manh hai)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: thu sach y nang ma hoi. hieu ((ve cam) or (ve cham)) cuc ban ((anh hai) or (manh hai)) cuu tre*.