Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
thu sach » tu sach, thuat sach, thuoc sach
nang mai » nang ma, nang tai, lang mai
mai khoi » mai khoa, tai khoa, cac khoi
cua quoc » cua nuoc, cua thuoc
hieu va » lieu va, hieu qua
xuc van » luc van, vuc van, xuc ban
duc van » duc va, duc tan, duc manh
vai cua » dai cua, hai cua, lai cua
y nang » ky nang, ly nang, v nang
va cam » va cham, va cac, va cao

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 y nang mai khoi. hieu va cam ((xuc van) or (duc van)) thanh vai cua quoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang mai khoi. hieu va cam ((xuc van) OR (duc van)) thanh vai cua quoc.
• Adding a wildcard symbol may retrieve word variants: thu sach y nang mai khoi. hieu va cam ((xuc van) or (duc van)) thanh vai cua quoc*.