Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
hieu van » hieu va, thien van, lieu va
ban hang » ngan hang
nang xa » nang x, lang xa, nang ma
van cam » van nam, van lam, van cau
xuc ban » duc ban, cuc ban, quoc ban
hang vi » hang va, hanh vi, hang di
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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) or (sach thu)) nang xa hoi. hieu van cam xuc ban hang vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach y) OR (sach thu)) nang xa hoi. hieu van cam xuc ban hang vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach y) or (sach thu)) nang xa hoi. hieu van cam xuc ban hang vi cua tre*.