Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
vu sach » vu bach, su sach, vu khach
va cham » va chat, va tham
sach ly » sach y, sach lo, sach ty
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
sang ma » tang ma, nang ma, sang tao
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc va

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 ((nang xa) or (sang ma)) hoi. hieu va cham ((xuc va) OR (luc va)) hanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ly ((nang xa) OR (sang ma)) hoi. hieu va cham ((xuc va) OR (luc va)) hanh dai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ly ((nang xa) or (sang ma)) hoi. hieu va cham ((xuc va) OR (luc va)) hanh dai cua tre".
• Adding a wildcard symbol may retrieve word variants: vu sach ly ((nang xa) or (sang ma)) hoi. hieu va cham ((xuc va) OR (luc va)) hanh dai cua tre*.