Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
cham xuc » cam xuc, chat xuc, cham soc
danh vai » danh sai, danh va, doanh van
su sach » so sach, vu sach
lang xa » dang xay, lang van
lang ha » long ha
va danh » va dinh, va dan, va hanh
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
sach o » sach lo, sac o, sach y
xuc va » duc va, tuc va, luc va

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 o ((lang xa) or (lang ha)) hoi. hieu qua cham xuc va danh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach o ((lang xa) OR (lang ha)) hoi. hieu qua cham xuc va danh vai cua tre*.