Perhaps you should try some spelling variations:
ban danh » ban doanh, ban hanh, ban dan
tu sach » thu sach, su sach, te sach
ky lang » ky dang, ky tang, tay lang
hieu ve » hieu va, hieu van
danh di » danh du, xanh di, danh dien
cua tre » cua te, cuu tre, cua triet
ca cua » co cua
di cua » dai cua, doi cua, de cua
ve ca » ve cac, ve cai, ve cau

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 lang) or (ky nang)) xa hoi. hieu ve ca cua ban danh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ky lang) OR (ky nang)) xa hoi. hieu ve ca cua ban danh di cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ky lang) or (ky nang)) xa hoi. hieu ve ca cua ban danh di cua tre*.