Perhaps you should try some spelling variations:
thuat cao » thuat co, thuat bao, thuat cam
van tham » van thanh, van tuan, van chat
van hanh » van thanh, ban hanh, van anh
va triet » va thiet, va trien, ve triet
nang xa » nang x, lang xa, nang ma
va tham » va cham, va thanh, va thuat
va hanh » va thanh, va danh, ban hanh

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

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