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

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