Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
ban hanh » ban hang
thu sach » tu sach, thuat sach, thuoc sach
sach ty » sach y, sach tu, sach thu
va danh » va dinh, va dan, va hanh
nang ma » tang ma, sang ma, nang cao
ty nang » ky nang, ty xang, ty hang
vai cua » dai cua, hai cua, lai cua
van cau » van dau, van hau, van chat
ma hoi » mai hoi, xa hoi, ma hoa
va cau » va cac, va dau, 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 ty nang ma hoi. lieu ((va cau) OR (van cau)) xuc ((va danh) or (ban hanh)) vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty nang ma hoi. lieu ((va cau) OR (van cau)) xuc ((va danh) OR (ban hanh)) vai cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ty nang ma hoi. lieu ((va cau) OR (van cau)) xuc ((va danh) or (ban hanh)) vai cua triet".
• Adding a wildcard symbol may retrieve word variants: thu sach ty nang ma hoi. lieu ((va cau) OR (van cau)) xuc ((va danh) or (ban hanh)) vai cua triet*.