Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
ho chieu » theo chieu, hoc thieu, doi chieu
cong tap » cuong tap, cong tan, tong tap
cong tac » cong ty
toan cao » toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung cua) OR (trung cap)) dung ((cong tap) OR (cong tac)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((trung cua) or (trung cap)) dung ((cong tap) OR (cong tac)) toan cao~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung cua) or (trung cap)) dung ((cong tap) OR (cong tac)) toan cao*.