Perhaps you should try some spelling variations:
sach tay » xach tay, sach hay, sach nay
tay lang » tai lang, tay tang, tay quang
hanh hai » thanh hai, nhanh hai, hang hai
su sach » so sach, vu sach
va tham » van tham, va cham, va thanh
duc van » duc va, duc manh, duc phan
hai cua » thai cua, dai cua, hoi cua
ha hoi » hoa hoi, xa hoi, va hoi
cua su » qua su

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) or (ha noi)). lieu va tham ((duc van) or (duc tan)) hanh hai cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach tay lang ((ha hoi) OR (ha noi)). lieu va tham ((duc van) OR (duc tan)) hanh hai cua su.
• Adding a wildcard symbol may retrieve word variants: su sach tay lang ((ha hoi) or (ha noi)). lieu va tham ((duc van) or (duc tan)) hanh hai cua su*.