Perhaps you should try some spelling variations:
ve triet » va trien, su triet
va thanh » gia thanh, ban thanh, va tinh
va danh » va dinh, va dan, dia danh
su sach » so sach, vu sach
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, ban hanh, dao hanh
y nang » ky nang, ly nang, v nang
co luc » coc luc, co luy
va co » vo co
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 co luc ((((va hanh) OR (va thanh))) 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 co luc ((((va hanh) OR (va thanh))) OR (va danh)) ca ve triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang xa hoi. hieu va co luc ((((va hanh) OR (va thanh))) or (va danh)) ca ve triet".
• Adding a wildcard symbol may retrieve word variants: su sach y nang xa hoi. hieu va co luc ((((va hanh) OR (va thanh))) or (va danh)) ca ve triet*.