Perhaps you should try some spelling variations:
sach kem » hanh kem
hanh tue » hanh tu, hanh tuyen, hanh theo
tue cua » te cua
xuc ban » duc ban, cuc ban, quoc ban
xuc van » duc van, luc van, thuc van
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
sai ky » sac ky
va nam » van nam, ha nam, va nay

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 kem) or (sai ky)) nang xa hoi. hieu va nam ((xuc van) or (xuc ban)) hanh tue cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach kem) OR (sai ky)) nang xa hoi. hieu va nam ((xuc van) OR (xuc ban)) hanh tue cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach kem) or (sai ky)) nang xa hoi. hieu va nam ((xuc van) or (xuc ban)) hanh tue cua tre*.