Perhaps you should try some spelling variations:
van nang » van quang, van ban, van dong
su triet » su viet, su tien, ve triet
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
xuc van » duc van, luc van, xuc ban
vuc van » duc van, luc van, thuc van
ve cam » ve cham, ve cac, va cam
vi su » va su, ve su, ki su

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu bach)) van nang xa hoi. hieu ve cam ((xuc van) OR (vuc van)) hanh vi su triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (vu bach)) van nang xa hoi. hieu ve cam ((xuc van) OR (vuc van)) hanh vi su triet~".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu bach)) van nang xa hoi. hieu ve cam ((xuc van) OR (vuc van)) hanh vi su triet*.