Perhaps you should try some spelling variations:
ban danh » ban doanh, ban hanh, ban dan
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
cam dua » cay dua, chay dua, cach dua
danh va » doanh va, hanh va, anh va
su viet » so viet
y nang » ky nang, ly nang, v nang
ca dua » cay dua, ca cua, ca da

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 xa hoi. lieu va ((cam dua) OR (ca dua)) ban danh va su viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang xa hoi. lieu va ((cam dua) OR (ca dua)) ban danh va su viet*".