Perhaps you should try some spelling variations:
thanh trung » thanh tung
hinh sach » chinh sach, sinh sach, hanh sach
dinh sach » sinh sach, tinh sach, chinh sach
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap
va hang » van hang, va nang, va hanh
va lang » va nang, hoa lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoa ((hinh sach) OR (dinh sach)) - thanh trung ((va hang) or (va lang)) cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoa ((hinh sach) OR (dinh sach)) - thanh trung ((va hang) OR (va lang)) cong dan toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoa ((hinh sach) OR (dinh sach)) - thanh trung ((va hang) or (va lang)) cong dan toan cao*".