Perhaps you should try some spelling variations:
su triet » su viet, ve triet
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
va cham » va chat, va tham
xuc van » luc van, vuc van, xuc ban
duc van » duc va, duc tan, duc manh
hanh di » hanh vi, hanh de, hang di
su tien » su kien, su hien, tu tieng
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky dang xa hoi. lieu va cham ((xuc van) or (duc van)) hanh di ((su triet) OR (su tien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky dang xa hoi. lieu va cham ((xuc van) OR (duc van)) hanh di ((su triet) OR (su tien)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky dang xa hoi. lieu va cham ((xuc van) or (duc van)) hanh di ((su triet) OR (su tien))".
• Adding a wildcard symbol may retrieve word variants: tu san ky dang xa hoi. lieu va cham ((xuc van) or (duc van)) hanh di ((su triet) OR (su tien))*.