Perhaps you should try some spelling variations:
vu sach » vu bach, su sach, vu khach
sach ly » sach y, sach lo, sach ty
mang xa » lang xa, mang may, dang xay
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
cuu tre » cua tre, cau tren, cau treo
soc va » hoc va, loc va, doc va
di cuu » di cau, di cua, dinh cuu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ly ((mang xa) or (nang ma)) hoi. hieu ve cham soc va hanh di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ly ((mang xa) OR (nang ma)) hoi. hieu ve cham soc va hanh di cuu tre.
• Adding a wildcard symbol may retrieve word variants: vu sach ly ((mang xa) or (nang ma)) hoi. hieu ve cham soc va hanh di cuu tre*.