Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van anh
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
xuc van » duc van, luc van, xuc ban
hanh di » hanh vi, hanh de, hang di
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
va cam » va cham, va cac, va cai
va cao » va cac, va co, va dao
di cua » dai cua, doi cua, de cua

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 tang xa hoi. hieu ((va cam) OR (va cao)) xuc van hanh di cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky tang xa hoi. hieu ((va cam) OR (va cao)) xuc van hanh di cua triet".
• Adding a wildcard symbol may retrieve word variants: tu san ky tang xa hoi. hieu ((va cam) OR (va cao)) xuc van hanh di cua triet*.