Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
hoac khong » hoa khong, hoc khong, hay khong
khong cong » thong cong, khong cang, chong cong
tieu sach » chieu sach, dien sach, te sach
hanh hang » thanh hang, hang hang, hanh han
tan doanh » toan doanh, van doanh, san doanh
doanh bat » danh bat, doanh tai, doanh va
cong tan » cong tac, cong san, cong thanh

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 hang) or (thanh thang)) hoac khong cong tan doanh bat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - ((hanh hang) OR (thanh thang)) hoac khong cong tan doanh bat.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - ((hanh hang) or (thanh thang)) hoac khong cong tan doanh bat*.