Perhaps you should try some spelling variations:
va triet » va thiet, va trien, ve triet
hanh vu » hanh vi, hanh va, hanh tu
va hanh » van hanh, va thanh, va danh
cam tuc » cam xuc, cam tu, nam thuc
hieu ve » hieu va, hieu van
tu cach » tu cac
tu nang » tru nang, tu nong, tu nano
nang o » nang co, nang ho, nang ro
su cao » cu cao, vu cao, su co
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa
su cac » tu cac, su can, eu cac
vu va » vu van, tu va, su va
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (((su cac) or (su cao)))) tu nang o hoi. hieu ve cam tuc va hanh vu va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (((su cac) OR (su cao)))) tu nang o hoi. hieu ve cam tuc va hanh vu va triet.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (((su cac) or (su cao)))) tu nang o hoi. hieu ve cam tuc va hanh vu va triet*.