Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
ve cham » va cham, ve chat, vu cham
lai cua » dai cua, hai cua, lai chau
tu sach » thu sach, su sach, te sach
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y ((nang x) or (lang xa)) hoi. hieu ve cham ((xuc va) or (tuc va)) hanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((nang x) OR (lang xa)) hoi. hieu ve cham ((xuc va) OR (tuc va)) hanh lai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y ((nang x) or (lang xa)) hoi. hieu ve cham ((xuc va) or (tuc va)) hanh lai cua tre*.