Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
nang mai » nang ma, nang tai, lang mai
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
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 nang mai hoi. ((hieu va) or (hieu qua)) cam xuc va thanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang mai hoi. ((hieu va) OR (hieu qua)) cam xuc va thanh dai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang mai hoi. ((hieu va) or (hieu qua)) cam xuc va thanh dai cua tre*.