Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung hanh » trung thanh, trung khanh, trung anh
hanh nhung » anh nhung, canh nhung, doanh nhung
nhung cong » dung cong, thong cong, hang cong
chu sach » cau sach, chieu sach, chuc hach
thu sach » tu sach, thuat sach, thuoc sach
cong san » cong tac
san than » sang than, san thanh, ban than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu sach) or (thu sach)) - thanh trung hanh nhung cong san than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu sach) OR (thu sach)) - thanh trung hanh nhung cong san than cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chu sach) or (thu sach)) - thanh trung hanh nhung cong san than cau*.