Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
vu sach » vu bach, su sach, vu khach
vai cua » dai cua, hai cua, lai cua
sach lo » sach dao, sach doi, sach hoi
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam
luc 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 lo ((nang xa) or (nang ma)) hoi. hieu ve cam ((luc va) or (duc va)) hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach lo ((nang xa) OR (nang ma)) hoi. hieu ve cam ((luc va) OR (duc va)) hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sach lo ((nang xa) or (nang ma)) hoi. hieu ve cam ((luc va) or (duc va)) hanh vai cua tre*.