Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
trung tham » trung tam, trung thanh, trung thang
tham nhung » thi nhung
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - thanh trung tham nhung cong san ((toan cao) or (((toan tap) OR (toan ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh trung tham nhung cong san ((toan cao) OR (((toan tap) OR (toan ban))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh trung tham nhung cong san ((toan cao) or (((toan tap) OR (toan ban))))*".