Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
su sach » so sach, vu sach
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
va cham » va chat, va tham
hanh ca » hanh cac, hanh cat, hanh cua
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
luc va » duc va, tuc va
loc va » hoc va
ca cua » co cua

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 y nang ma hoi. hieu va cham ((luc va) or (loc va)) hanh ca cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang ma hoi. hieu va cham ((luc va) OR (loc va)) hanh ca cua triet.
• Adding a wildcard symbol may retrieve word variants: su sach y nang ma hoi. hieu va cham ((luc va) or (loc va)) hanh ca cua triet*.