Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van tham » van thanh, van tuan, van chat
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
va tham » va cham, va thanh, va thuat
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, dua tren
te cac » tu cac, ve cac, te cao
loc va » hoc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cac ky tang xa hoi. hieu ((va tham) OR (van tham)) loc va hanh vi ((cua tre) or (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky tang xa hoi. hieu ((va tham) OR (van tham)) loc va hanh vi ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te cac ky tang xa hoi. hieu ((va tham) OR (van tham)) loc va hanh vi ((cua tre) or (cua triet))".
• Adding a wildcard symbol may retrieve word variants: te cac ky tang xa hoi. hieu ((va tham) OR (van tham)) loc va hanh vi ((cua tre) or (cua triet))*.