Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
su sach » so sach, vu sach
han tai » hang tai, nhan tai, van tai
xuc ban » duc ban, cuc ban, quoc ban
hau xuc » chat xuc
sach ky » sac ky, sach y, sach ty
van hau » van ha, van hai, van dau
mai hoi » mai khoi, dai hoi, lai hoi
cua tre » cua te, cuu tre, cua triet
ma hoi » xa hoi, ma hoa, me hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang ((ma hoi) OR (mai hoi)). hieu van hau xuc ban ((han tai) or (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang ((ma hoi) OR (mai hoi)). hieu van hau xuc ban ((han tai) OR (hanh vi)) cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang ((ma hoi) OR (mai hoi)). hieu van hau xuc ban ((han tai) or (hanh vi)) cua tre*".