Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
toc sach » hoc sach, doc sach, thuoc sach
nang mai » nang ma, nang tai, lang mai
cham xuc » cam xuc, chat xuc, cham soc
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
va cham » va chat, va tham
ca tren » cau tren, cu tren, la tren
y nang » ky nang, ly nang, v nang
hai ca » hai cua, hai ba, bai ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach y nang mai hoi. hieu va cham xuc ((ban thanh) or (gia thanh)) hai ca tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach y nang mai hoi. hieu va cham xuc ((ban thanh) OR (gia thanh)) hai ca tren.
• Adding a wildcard symbol may retrieve word variants: toc sach y nang mai hoi. hieu va cham xuc ((ban thanh) or (gia thanh)) hai ca tren*.