Perhaps you should try some spelling variations:
van chat » cao chat
hanh dai » hanh tai, hanh dao, vanh dai
va triet » va thiet, va trien, ve triet
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
te san » te ban, ke san, tu san
san ky » sang ky, van ky, dan ky
va cam » va cham, va cac, va cao
dai va » mai va
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: te san ky nang x hoi. hieu ((va cam) or (van chat)) thuc va hanh dai va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te san ky nang x hoi. hieu ((va cam) OR (van chat)) thuc va hanh dai va triet.
• Adding a wildcard symbol may retrieve word variants: te san ky nang x hoi. hieu ((va cam) or (van chat)) thuc va hanh dai va triet*.