Perhaps you should try some spelling variations:
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
ve chao » ve chat, ve cham, ve cho
dinh vi » dinh ve, dinh viet, dinh tri
ang xa » lang xa, mang xa, dang xay
vi cua » vai cua, di cua
cua te » cua tu
xu va » xu van, su va, vu va

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y ang xa hoi. hieu ve chao ((xu va) OR (tu va)) dinh vi cua te~".
• Adding a wildcard symbol may retrieve word variants: su sach y ang xa hoi. hieu ve chao ((xu va) OR (tu va)) dinh vi cua te*.