Perhaps you should try some spelling variations:
ban hanh » ban hang
cua tre » cua te, cua triet, dua tren
van anh » van thanh, tuan anh, van minh
cuu tre » cau tren, cau treo
cam duc » cam xuc, cao duc, pham duc
hieu va » lieu va, hieu qua
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
dai ky » dan ky, dai ly, sai ky
va cam » va cham, va cac, va cao
su dai » sau dai, si dai, su tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: su dai ky dang xa hoi. hieu va cam duc ((ban hanh) or (van anh)) thai ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su dai ky dang xa hoi. hieu va cam duc ((ban hanh) OR (van anh)) thai ((cua tre) OR (cuu tre))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su dai ky dang xa hoi. hieu va cam duc ((ban hanh) or (van anh)) thai ((cua tre) OR (cuu tre))*".