Perhaps you should try some spelling variations:
nhan thai » nhanh thai, nhan tai, nhan tham
thai cua » than cua, tai cuc, tri cua
te sach » toc sach
va chat » van chat, va phat, cao chat
va nhan » van nhan, ca nhan, va phan
cua tre » cua te, cuu tre, cua triet
va cham » va tham
mai hoi » mai khoi, dai hoi, lai hoi
y nang » ky nang, ly nang, may nang
xuc va » duc va, tuc va, luc va
v nang » va nang, vu nang, van nang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((y nang) or (v nang)) mai hoi. lieu ((va cham) OR (va chat)) xuc va nhan thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((y nang) OR (v nang)) mai hoi. lieu ((va cham) OR (va chat)) xuc va nhan thai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) or (v nang)) mai hoi. lieu ((va cham) OR (va chat)) xuc va nhan thai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) or (v nang)) mai hoi. lieu ((va cham) OR (va chat)) xuc va nhan thai cua tre*.