Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hanh vai » hanh va, hanh tai, hanh van
cam tuc » cam xuc, cam tu, nam thuc
su sach » so sach, vu sach
vu nang » vuc nang, vu dang, v nang
va nang » van nang, da nang, cam nang
hieu ve » hieu va, hieu van
ma hoi » mai hoi, xa hoi, ma hoa
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa

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

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