Perhaps you should try some spelling variations:
cham tuc » nham thuc, pham thuc, tham thuc
van hanh » van thanh, ban hanh, van anh
va triet » va thiet, va trien, ve triet
ky dang » ky danh
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
tuc van » thuc van, truc van, tuc va
tu sac » tu sach, tu cac, tu san
vi va » vi van, vai va, vu va

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 ((ky dang) or (ky nang)) xa hoi. hieu ve cham tuc van hanh vi va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky dang) OR (ky nang)) xa hoi. hieu ve cham tuc van hanh vi va triet.
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky dang) or (ky nang)) xa hoi. hieu ve cham tuc van hanh vi va triet*.