Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
nang cau » nang cao, hang cau, nang dau
cham xuc » cam xuc, chat xuc, cham soc
tai chau » lai chau, mai chau, hai chau
chau tre » chay tren, chau tho, cho tre
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, va danh

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 ky nang cau hoi. hieu ve cham xuc ((va hanh) or (gia thanh)) tai chau tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang cau hoi. hieu ve cham xuc ((va hanh) OR (gia thanh)) tai chau tre.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang cau hoi. hieu ve cham xuc ((va hanh) or (gia thanh)) tai chau tre*.