Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
sach loai » sach bai, cac loai, sach doi
loai nang » loai nam, luan nang, loai san
hanh vai » hanh vi, hanh tai, hanh van
hieu ve » hieu va, hieu van
hanh va » hang va, hanh vi
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam
xuc va » tuc va, luc va, xac va
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach loai nang x hoi. hieu ve cam ((xuc va) OR (duc va)) ((hanh vai) or (hanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach loai nang x hoi. hieu ve cam ((xuc va) OR (duc va)) ((hanh vai) OR (hanh va)) cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach loai nang x hoi. hieu ve cam ((xuc va) OR (duc va)) ((hanh vai) or (hanh va)) cua tre*".