Perhaps you should try some spelling variations:
trung thanh » truong thanh
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung tam, tran tuan, truong thanh
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
ban phan » ban phap, ban than, ban nhan
van phan » van phong, van thanh, luan phan

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 tuan) or (trung thanh)) nhung cong ((ban phan) OR (van phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung tuan) OR (trung thanh)) nhung cong ((ban phan) OR (van phan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((trung tuan) or (trung thanh)) nhung cong ((ban phan) OR (van phan)) cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung tuan) or (trung thanh)) nhung cong ((ban phan) OR (van phan)) cau*.