Perhaps you should try some spelling variations:
cac khoi » cac thoi, cac khoan, cach thoi
danh vai » danh sai, danh va, doanh van
cham xuc » cam xuc, chat xuc, cham soc
thu sach » tu sach, thuat sach, thuoc sach
cau tren » cu tren, dau tren, ca tren
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
va cham » va chat, va tham
va danh » va dinh, va dan, va hanh
vai cau » va cau, van cau, vai cac
sach v » sach va, sach y, sach 2
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: thu sach v nang ((mai hoi) or (cac khoi)). hieu va cham xuc va danh vai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach v nang ((mai hoi) OR (cac khoi)). hieu va cham xuc va danh vai cau tren.
• Adding a wildcard symbol may retrieve word variants: thu sach v nang ((mai hoi) or (cac khoi)). hieu va cham xuc va danh vai cau tren*.