Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hieu tuc » hieu thuc, hieu luc, hieu thuoc
tuc cham » toc cham, tu cham, phuc cham
luoc van » luoc can, luoc va, luc van
lang xa » lang ha, dang xay, lang van
cua tre » cua te, cuu tre, cua triet
y lang » o lang, _ lang, tay lang
vi cua » vai cua, di cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y lang xa hoi. hieu tuc cham ((duc va) OR (luoc van)) hanh vi cua tre~.
• Adding a wildcard symbol may retrieve word variants: thu sach y lang xa hoi. hieu tuc cham ((duc va) or (luoc van)) hanh vi cua tre*.