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
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tan nhan » tran nhan, tao nhan, van nhan
nhan ap » han ap, khan ap, nhan tai

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 nhan 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 nhan ap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trung tuan) or (truong cao)) thong cong tan nhan ap*.