Perhaps you should try some spelling variations:
tran anh » tran manh, tuan anh, tran thanh
cua viet » ca viet, hoa viet, cua vat
sach ty » sach tu, sach thu, xach tay
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
tan anh » tuan anh, toan anh, van anh
bai cua » ban cua, dai cua, bai ca
x hoi » xa hoi, o hoi, x ho

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: tu ((sach ty) OR (sach y)) nang x hoi. hieu ve pham duc ((tan anh) OR (tran anh)) bai cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) or (sach y)) nang x hoi. hieu ve pham duc ((tan anh) OR (tran anh)) bai cua viet~".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach y)) nang x hoi. hieu ve pham duc ((tan anh) OR (tran anh)) bai cua viet*.