Perhaps you should try some spelling variations:
hay quang » ha quang, hao quang, vay quang
tay quang » tac quang, tai quang, tao quang
cham xuc » cam xuc, chat xuc, cham soc
su sach » so sach, vu sach
tai cua » thai cua, tai cuc, tri cua
va danh » va dinh, va dan, va hanh
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa

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 ((hay quang) OR (tay quang)) ma hoi. hieu ve cham xuc ((ho manh) or (va danh)) tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((hay quang) OR (tay quang)) ma hoi. hieu ve cham xuc ((ho manh) OR (va danh)) tai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((hay quang) OR (tay quang)) ma hoi. hieu ve cham xuc ((ho manh) or (va danh)) tai cua tre*".