Perhaps you should try some spelling variations:
cham luoc » cham soc, khai luoc, kham cuoc
toc sach » hoc sach, doc sach, thuoc sach
luoc van » luoc can, luoc va, luc van
van doan » van doanh, van toan, van hoan
doan dan » doan van, doan dau, doan dien
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
va cham » va chat, va tham
cua tre » cuu tre, cua triet, dua tren
cua te » cua tu

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: toc sach y ((nang x) OR (lang xa)) hoi. hieu va cham luoc van doan dan ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach y ((nang x) or (lang xa)) hoi. hieu va cham luoc van doan dan ((cua tre) OR (cua te))~".
• Adding a wildcard symbol may retrieve word variants: toc sach y ((nang x) or (lang xa)) hoi. hieu va cham luoc van doan dan ((cua tre) OR (cua te))*.