Perhaps you should try some spelling variations:
thong minh » hoang minh
ban thong » ban trong, ban tuong, ban tong
ba thong » va thong, bo thong, ba tuong
giao ban » gian ban, giao dan, giao nhan
so sach » so sanh, bo sach, co sach
sach ha » sach han, sach xa, bach ha
tu sach » thu sach, su sach, te sach
ve giao » te giao, viet giao, van giao
do gia » do giua, ho gia, co gia
nha ve » nhat ve, nhan ve, nha va
ha do » hat do, va do, xa do
tin » tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( so sach ha do gia ba thong minh ) or ( tu sach nha ve giao ban thong tin ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( so sach ha do gia ba thong minh ) OR ( tu sach nha ve giao ban thong tin )).
• Adding a wildcard symbol may retrieve word variants: (( so sach ha do gia ba thong minh ) or ( tu sach nha ve giao ban thong tin ))*.