Perhaps you should try some spelling variations:
tai khoi » tai khoa, mai khoi, tao khoi
cham xuc » cam xuc, chat xuc, cham soc
hanh tai » thanh tai, hang tai, han tai
dau tren » dau tien, dat tren, dau tieng
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
va hanh » van hanh, va thanh, va danh
cuu tre » cua tre, cau tren, cau treo
y dung » ly dung, _ dung, m dung
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: tu sach y dung tai khoi. hieu ve cham xuc va hanh tai ((cuu tre) or (dau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y dung tai khoi. hieu ve cham xuc va hanh tai ((cuu tre) OR (dau tren)).
• Adding a wildcard symbol may retrieve word variants: tu sach y dung tai khoi. hieu ve cham xuc va hanh tai ((cuu tre) or (dau tren))*.