Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh doi » thanh loi, thanh moi, thanh do
ky lang » ky nang, ky tang, tay lang
ky dang » ky nang, ky danh
xuc ban » duc ban, cuc ban, quoc ban
doi cuu » doi cua, doi cuoc
cuu tre » cua tre, cau tren, cau treo
tu sac » tu sach, tu cac, tu san

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ((ky lang) OR (ky dang)) xa hoi. thien ((van lam) or (van nam)) xuc ban thanh doi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky lang) OR (ky dang)) xa hoi. thien ((van lam) OR (van nam)) xuc ban thanh doi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ((ky lang) OR (ky dang)) xa hoi. thien ((van lam) or (van nam)) xuc ban thanh doi cuu tre".
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky lang) OR (ky dang)) xa hoi. thien ((van lam) or (van nam)) xuc ban thanh doi cuu tre*.