Perhaps you should try some spelling variations:
ban hanh » ban hang
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc ban » duc ban, cuc ban, quoc ban
cuu tre » cua tre, cau tren, cau treo
cua duc » cua nuoc, cua quoc
cua tuc » cua tu, cua thuoc, luat tuc
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
ve cac » va cac, vien cac

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sai ky tang xa hoi. hieu ve cac xuc ban hanh vi ((cuu tre) OR (((cua duc) OR (cua tuc))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky tang xa hoi. hieu ve cac xuc ban hanh vi ((cuu tre) or (((cua duc) OR (cua tuc))))~".
• Adding a wildcard symbol may retrieve word variants: tu sai ky tang xa hoi. hieu ve cac xuc ban hanh vi ((cuu tre) or (((cua duc) OR (cua tuc))))*.