Perhaps you should try some spelling variations:
hang doi » hang di, hang loi, huong doi
va triet » va thiet, va trien, ve triet
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
va cham » va chat, va tham
luc van » luoc van, luu van, luc va
duc van » duc va, duc tan, duc manh
hanh di » hanh vi, hanh de, hang di
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 ((luc van) or (duc van)) ((hanh di) or (hang doi)) va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu san ky dang xa hoi. lieu va cham ((luc van) OR (duc van)) ((hanh di) OR (hang doi)) va triet.
• Adding a wildcard symbol may retrieve word variants: tu san ky dang xa hoi. lieu va cham ((luc van) or (duc van)) ((hanh di) or (hang doi)) va triet*.