Perhaps you should try some spelling variations:
tay lang » tai lang, tay tang, tay quang
tham duc » tham du, than duc, thach duc
sach tay » xach tay, sach hay, sach nay
van hanh » van thanh, ban hanh, van anh
hanh vai » hanh vi, hanh va, hanh tai
su sach » so sach, vu sach
lang ha » long ha
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach tay lang ha hoi. lieu va ((tham duc) or (pham duc)) van hanh vai ((cua su) OR (qua su))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tay lang ha hoi. lieu va ((tham duc) OR (pham duc)) van hanh vai ((cua su) OR (qua su)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach tay lang ha hoi. lieu va ((tham duc) or (pham duc)) van hanh vai ((cua su) OR (qua su))".
• Adding a wildcard symbol may retrieve word variants: su sach tay lang ha hoi. lieu va ((tham duc) or (pham duc)) van hanh vai ((cua su) OR (qua su))*.