Perhaps you should try some spelling variations:
van khanh » van thanh, van hanh, van anh
nang mai » nang ma, nang tai, lang mai
tu sach » thu sach, su sach, te sach
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
xa hanh » xa thanh, xa khanh, va hanh
cua tre » cua te, cuu tre, cua triet
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
vi cua » vai cua, di cua

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 v nang mai hoi. hieu va cac xuc ((xa hanh) or (van khanh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach v nang mai hoi. hieu va cac xuc ((xa hanh) OR (van khanh)) vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach v nang mai hoi. hieu va cac xuc ((xa hanh) or (van khanh)) vi cua tre*.