Perhaps you should try some spelling variations:
truoc van » truc van, truong van, truoc bang
lam truoc » lam thuoc, nam truoc, lam truong
van hanh » van thanh, ban hanh, van anh
le triet » ve triet, le tien, le viet
vu sach » vu bach, su sach, vu khach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu van
hieu va » lieu va, hieu qua
hanh va » hang va, hanh vi
y nang » ky nang, ly nang, v nang
va le » va de, vu le

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach y nang xa hoi. ((hieu ve) or (hieu va)) lam truoc van hanh va le triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang xa hoi. ((hieu ve) OR (hieu va)) lam truoc van hanh va le triet.
• Adding a wildcard symbol may retrieve word variants: vu sach y nang xa hoi. ((hieu ve) or (hieu va)) lam truoc van hanh va le triet*.