Perhaps you should try some spelling variations:
ban danh » ban doanh, ban hanh, ban dan
tu sach » thu sach, su sach, te sach
nang ma » tang ma, sang ma, nang cao
cam duc » cam xuc, pham duc, nam duoc
cao duc » dao duc, cao suc, giao duc
danh va » doanh va, hanh va, anh va
su viet » so viet
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa

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 y nang ma hoi. lieu va ((cam duc) OR (cao duc)) ban danh va su viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang ma hoi. lieu va ((cam duc) OR (cao duc)) ban danh va su viet".
• Adding a wildcard symbol may retrieve word variants: tu sach y nang ma hoi. lieu va ((cam duc) OR (cao duc)) ban danh va su viet*.