Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh vai » hanh vi, hanh va, hanh tai
ban hanh » ban hang
thuc ban » thuoc ban, thuc dan, thu ban
va tham » van tham, va cham, va thanh
vai cua » dai cua, hai cua, lai cua
ky mang » ky nang, ke mang, ky dang
may hoi » may thoi, tay hoi, mai hoi
tu bac » tu ban, tu cac, tu bat
tu san » thu san, tu ban, tu can
va tam » van tam, va tac, va tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu bac) or (tu san)) ky mang may hoi. hieu ((va tam) OR (va tham)) thuc ban hanh vai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu bac) OR (tu san)) ky mang may hoi. hieu ((va tam) OR (va tham)) thuc ban hanh vai cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu bac) or (tu san)) ky mang may hoi. hieu ((va tam) OR (va tham)) thuc ban hanh vai cua triet*".