Perhaps you should try some spelling variations:
thanh trang » thanh trung, hanh trang, thanh thang
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh tran » thanh toan, thanh tra, thanh tuan
nhan dang » nhan dan, phan dang, tran dang
va hang » van hang, va lang, va hanh
va nang » van nang, da nang, cam nang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - nhan dang ((va hang) or (va nang)) cong ((thanh tran) OR (thanh trang)) chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - nhan dang ((va hang) OR (va nang)) cong ((thanh tran) OR (thanh trang)) chau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - nhan dang ((va hang) or (va nang)) cong ((thanh tran) OR (thanh trang)) chau".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - nhan dang ((va hang) or (va nang)) cong ((thanh tran) OR (thanh trang)) chau*.