Perhaps you should try some spelling variations:
ban hanh » ban hang
va triet » va thiet, va trien, ve triet
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, nam thuc
tuc ban » thuc ban, truc ban, tu ban
su xac » pu xac, su cac
xac ky » cac ky, sac ky, bac ky
ve cam » ve cham, ve cac, va cam
x hoi » o hoi, x ho, 5 hoi
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: su xac ky nang ((x hoi) or (xa hoi)). hieu ve cam tuc ban hanh vi va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su xac ky nang ((x hoi) OR (xa hoi)). hieu ve cam tuc ban hanh vi va triet*.