Perhaps you should try some spelling variations:
hanh dai » hanh tai, hanh dao, vanh dai
sach kem » hanh kem
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
ve cac » va cac, vien cac
xuc va » duc va, tuc va, luc va
ve cam » ve cham, va cam, ve cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach kem) or (sach y)) nang xa hoi. hieu ((ve cam) OR (ve cac)) xuc va hanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach kem) OR (sach y)) nang xa hoi. hieu ((ve cam) OR (ve cac)) xuc va hanh dai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach kem) or (sach y)) nang xa hoi. hieu ((ve cam) OR (ve cac)) xuc va hanh dai cua tre".
• Adding a wildcard symbol may retrieve word variants: thu ((sach kem) or (sach y)) nang xa hoi. hieu ((ve cam) OR (ve cac)) xuc va hanh dai cua tre*.