Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
thanh vai » thanh van, thanh tai, thanh oai
cham xuc » cam xuc, chat xuc, cham soc
sach ky » sac ky, sach y, sach ty
su sach » so sach, vu sach
va cham » va chat, va tham
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
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 ky ((van xay) or (nang x)) hoi. hieu va cham xuc va ((thanh vai) OR (thanh hai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky ((van xay) OR (nang x)) hoi. hieu va cham xuc va ((thanh vai) OR (thanh hai)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky ((van xay) or (nang x)) hoi. hieu va cham xuc va ((thanh vai) OR (thanh hai)) cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach ky ((van xay) or (nang x)) hoi. hieu va cham xuc va ((thanh vai) OR (thanh hai)) cua tre*.