Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
tieu sach » chieu sach, dien sach, te sach
hang hang » nang hang, cang thang, hung thang
hoac cong » hoc cong, hoa cong, hoang cong
cong cong » cong dong, trong cong, dung cong
tap doanh » tap doan, lap doanh, tap danh
doanh bat » danh bat, doanh tai, doanh va
cong tap » cuong tap, cong tac, cong tan

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