Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu sach » tu sach, thuat sach, thuoc sach
ban danh » ban doanh, ban dan, van danh
ban hanh » ban hang
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
vai cua » dai cua, hai cua, lai cua
y nang » ly nang, v nang, may 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) OR (ky nang)) mai hoi. hieu va cam xuc ((ban danh) or (ban hanh)) vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ((y nang) OR (ky nang)) mai hoi. hieu va cam xuc ((ban danh) OR (ban hanh)) vai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ((y nang) OR (ky nang)) mai hoi. hieu va cam xuc ((ban danh) or (ban hanh)) vai cua triet".
• Adding a wildcard symbol may retrieve word variants: thu sach ((y nang) OR (ky nang)) mai hoi. hieu va cam xuc ((ban danh) or (ban hanh)) vai cua triet*.