Perhaps you should try some spelling variations:
thanh lap » thanh san, phan lap, thanh hai
cau tren » cu tren, dau tren, ca tren
hanh lai » hanh lam, hanh tai, thanh loi
tang van » dang van, hoang van, trong van
cua tre » cua te, cuu tre, cua triet
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
van hoi » van hoa, van hoc, van hoe
ty tang » tay tang, ty xang, ty hang
soc va » hoc va, loc va, doc va

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: tu sach ty tang van hoi. hieu ve cham soc va ((hanh lai) OR (thanh lap)) ((cua tre) OR (cau tren))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty tang van hoi. hieu ve cham soc va ((hanh lai) OR (thanh lap)) ((cua tre) or (cau tren))~".
• Adding a wildcard symbol may retrieve word variants: tu sach ty tang van hoi. hieu ve cham soc va ((hanh lai) OR (thanh lap)) ((cua tre) or (cau tren))*.