Perhaps you should try some spelling variations:
te sach » toc sach
nang xa » nang x, nang ma, mang xa
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
va cham » va chat, va tham
danh du » danh dau, danh tu, anh du
dinh du » dinh duc, dinh cu, dinh tu
cuu tre » cua tre, cau tren, cau treo
sach v » sach va, sach y, sach 2
soc va » hoc va, loc va, doc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach v ((nang xa) or (lang xa)) hoi. hieu va cham soc va ((danh du) or (dinh du)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v ((nang xa) OR (lang xa)) hoi. hieu va cham soc va ((danh du) OR (dinh du)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sach v ((nang xa) or (lang xa)) hoi. hieu va cham soc va ((danh du) or (dinh du)) cuu tre*.