Perhaps you should try some spelling variations:
ban danh » ban doanh, ban dan, van danh
ban hanh » ban hang
su triet » su tien, ve triet
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
cao hoi » cau hoi, co hoi, cao hoc
su viet » so viet
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: tu sach ky nang cao hoi. lieu va cam xuc ((ban danh) OR (ban hanh)) vi ((su triet) or (su viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang cao hoi. lieu va cam xuc ((ban danh) OR (ban hanh)) vi ((su triet) OR (su viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang cao hoi. lieu va cam xuc ((ban danh) OR (ban hanh)) vi ((su triet) or (su viet))".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang cao hoi. lieu va cam xuc ((ban danh) OR (ban hanh)) vi ((su triet) or (su viet))*.