Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
truong cao » truong dai
thong cong » trong cong, tong cong, thong thong
tan khang » van khang, tao khang, tinh khang
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
khang ap » khan ap, khang a, khong ap

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 (truong cao)) thong cong tan khang ap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trung tuan) OR (truong cao)) thong cong tan khang ap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung tuan) or (truong cao)) thong cong tan khang ap*.