Perhaps you should try some spelling variations:
ve triet » va trien, su triet
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cac luc » cau luc, coc luc, cac nuoc
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
y nang » ky nang, ly nang, v nang
ca ve » ca va, va ve

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