Perhaps you should try some spelling variations:
dong thuong » cong thuong, dong thong, dung thuong
thuong tien » phuong tien, thuong tin, thuong hien
bon thong » bon thuong, bo thong, ban thong
sach thue » sach thu, sach thieu, sach tham
gioi dong » gioi dang, gioi song, gioi trong
gioi bon » gioi hon, gioi binh, gioi song
toc sach » hoc sach, doc sach, thuoc sach
tu sach » thu sach, su sach, te sach
me gioi » me giai, ve gioi, me nguoi
thue me » thue ke, thue che, thue mua
ha me » cha me, ha le, ca me

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu sach ((ha me) OR (ba me)) gioi bon thong tin ) or ( toc sach thue me gioi dong thuong tien ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu sach ((ha me) OR (ba me)) gioi bon thong tin ) OR ( toc sach thue me gioi dong thuong tien )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tu sach ((ha me) OR (ba me)) gioi bon thong tin ) or ( toc sach thue me gioi dong thuong tien ))".
• Adding a wildcard symbol may retrieve word variants: (( tu sach ((ha me) OR (ba me)) gioi bon thong tin ) or ( toc sach thue me gioi dong thuong tien ))*.