Perhaps you should try some spelling variations:
ban hanh » ban hang
chon loc » cho hoc
cham xuc » cam xuc, chat xuc, cham soc
chon hoc » cho hoc, chung hoc, chong doc
hieu van » thien van, lieu va, hieu ve
hanh di » hanh vi, hanh de, hang di
xuc ban » duc ban, cuc ban, quoc ban
cuu tre » cua tre, cau tren, cau treo
hieu va » lieu va, hieu qua
di cuu » di cau, di cua, dinh cuu

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 cac ky nang ((chon hoc) OR (chon loc)). ((hieu va) OR (hieu van)) cham xuc ban hanh di cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang ((chon hoc) OR (chon loc)). ((hieu va) or (hieu van)) cham xuc ban hanh di cuu tre~".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang ((chon hoc) OR (chon loc)). ((hieu va) or (hieu van)) cham xuc ban hanh di cuu tre*.