Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
van hanh » van thanh, ban hanh, van anh
tay lang » tai lang, tay tang, tay quang
te sach » toc sach
cham tu » cam tu, chai tu, chay tu
pham tu » phan tu, pham thi, pham tai
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
vi cua » vai cua, di cua
cua te » cua tu

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: ((te sach) OR (thuoc sach)) tay lang xa hoi. hieu ve ((cham tu) OR (pham tu)) van hanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) or (thuoc sach)) tay lang xa hoi. hieu ve ((cham tu) OR (pham tu)) van hanh vi cua te~".
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thuoc sach)) tay lang xa hoi. hieu ve ((cham tu) OR (pham tu)) van hanh vi cua te*.