Perhaps you should try some spelling variations:
lang thanh » dang thanh, tang thanh, lang thang
tieu sach » chieu sach, dien sach, te sach
hanh dung » thanh dung, anh dung, hanh dong
cong lang » cong vang, cong luong, cong quang
thanh cau » thanh chau, thanh mau, nhanh cau
anh tang » anh bang, anh dang, anh nang
ban cong » bang cong, van cong, phan cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - ((hanh dung) or (anh tang)) cua ban cong lang thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - ((hanh dung) OR (anh tang)) cua ban cong lang thanh cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - ((hanh dung) or (anh tang)) cua ban cong lang thanh cau*.