Perhaps you should try some spelling variations:
viec bach » vien bach, viec ban, viet sach
viec bao » viec ban, viec lam, viec va
su sach » so sach, vu sach
ty lang » tay lang, ty xang, ty hang
lang xa » lang ha, dang xay, lang van
doi cua » dai cua, hoi cua
sach ty » sach y, sach tu, sach thu
va danh » va dinh, va dan, va hanh
di cua » dai cua, de cua, do cua

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 ty lang xa hoi. hieu ((viec bach) OR (viec bao)) nuoc va danh ((di cua) OR (doi cua)) te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty lang xa hoi. hieu ((viec bach) OR (viec bao)) nuoc va danh ((di cua) or (doi cua)) te~".
• Adding a wildcard symbol may retrieve word variants: su sach ty lang xa hoi. hieu ((viec bach) OR (viec bao)) nuoc va danh ((di cua) or (doi cua)) te*.