Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
hanh lai » hanh lam, hanh tai, thanh lap
sang tao » hang tai
cua tre » cua te, cuu tre, cua triet
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, vu cham
sach tu » sach thu, cach tu, sach uu
tao hoi » tao khoi, tao boi, tay hoi
sach ty » sach y, sach thu, xach tay
hieu ve » hieu va, hieu van
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 tu) OR (sach ty)) sang tao hoi. hieu ve cham soc va hanh lai ((cua tre) OR (cau tren))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach tu) OR (sach ty)) sang tao hoi. hieu ve cham soc va hanh lai ((cua tre) or (cau tren))~".
• Adding a wildcard symbol may retrieve word variants: tu ((sach tu) OR (sach ty)) sang tao hoi. hieu ve cham soc va hanh lai ((cua tre) or (cau tren))*.