Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
hanh lai » hanh lam, hanh tai, thanh lap
hoang xa » hoang ha, hoang va, hoang xuan
van hanh » van thanh, ban hanh, van anh
lai cua » dai cua, hai cua, lai chau
sach ty » sach y, sach tu, sach thu
van dam » van nam, van dao, van dau
tu van » tu va
va dam » va dao, va dau, va dap
hang x » nang x, chang xu, hang nxb
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ty ((hang x) OR (hoang xa)) hoi. lieu ((va dam) or (van dam)) tu van hanh lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ty ((hang x) OR (hoang xa)) hoi. lieu ((va dam) OR (van dam)) tu van hanh lai cua te*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ty ((hang x) OR (hoang xa)) hoi. lieu ((va dam) or (van dam)) tu van hanh lai cua te*".