Perhaps you should try some spelling variations:
quang dung » quang trung, ung dung, cuong dung
tieu sach » chieu sach, dien sach, te sach
cua trung » cua truong, xuan trung, cua nhung
anh tang » anh bang, anh dang, anh nang
cong tan » cong tac, cong san, cong thanh
tan doan » tran doan, tap doan, van doan
doan cap » doanh cao, dan ca, toan cao

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 - anh tang ((cua trung) or (quang dung)) cong tan doan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - anh tang ((cua trung) OR (quang dung)) cong tan doan cap.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - anh tang ((cua trung) or (quang dung)) cong tan doan cap*.