Perhaps you should try some spelling variations:
ve triet » va trien, su triet
hanh su » hanh sua, hinh su, hanh tu
va hanh » van hanh, va thanh, va danh
quan ha » quan he
qua cau » quan cau, qua cac, qua ca
su sach » so sach
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
vu sach » vu bach, vu khach
luc va » duc va, tuc va, loc va
su ve » su va

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 sach)) ky lang xa hoi. hieu ((qua cau) OR (quan ha)) luc va hanh su ve triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (vu sach)) ky lang xa hoi. hieu ((qua cau) or (quan ha)) luc va hanh su ve triet~".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (vu sach)) ky lang xa hoi. hieu ((qua cau) or (quan ha)) luc va hanh su ve triet*.