Perhaps you should try some spelling variations:
chat triet » chet triet, phat trien, chat thien
hieu van » hieu va, thien van, lieu va
va chat » van chat, va phat, cao chat
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
van bac » van ban, van bao, van hac
nang xa » nang x, lang xa, nang ma
tu san » thu san, tu ban, tu can
tu sac » tu sach, tu cac, tu bac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) or (tu san)) ky nang xa hoi. hieu van bac xuc ((va hanh) OR (va danh)) va chat triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu san)) ky nang xa hoi. hieu van bac xuc ((va hanh) OR (va danh)) va chat triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) or (tu san)) ky nang xa hoi. hieu van bac xuc ((va hanh) OR (va danh)) va chat triet*".