Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung tuan, trung cap
ho chieu » theo chieu, hoc thieu, doi chieu
cong huy » cuong huy, dong huy, cong quy
huy toan » huy tran, huu toan, huy hoang
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 cua) or (trung tam)) nhung cong huy toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung cua) OR (trung tam)) nhung cong huy toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung cua) or (trung tam)) nhung cong huy toan ban*.