Perhaps you should try some spelling variations:
danh lai » danh sai, gianh lai, hanh lam
dinh lam » dinh van, tinh lao
chau tre » chay tren, chau tho, cho tre
te sach » toc sach
nang ma » tang ma, sang ma, mang may
hieu va » lieu va, hieu qua
va cham » va chat, va tham
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: te sach y ((nang ma) OR (nang cao)) hoi. hieu va cham soc va ((danh lai) OR (dinh lam)) chau tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((nang ma) or (nang cao)) hoi. hieu va cham soc va ((danh lai) OR (dinh lam)) chau tre~".
• Adding a wildcard symbol may retrieve word variants: te sach y ((nang ma) or (nang cao)) hoi. hieu va cham soc va ((danh lai) OR (dinh lam)) chau tre*.