Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong cao » truong dai
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, ho chieu
cong bang » cuong bang, dong bang, hong bang
bang khan » bang nhan, bang thanh, dang khanh
trung va » truong va, trung ha, trung tam
trang va » tran van, hang va
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - thanh ((((trung va) or (trang va))) or (truong cao)) thong cong bang khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh ((((trung va) OR (trang va))) OR (truong cao)) thong cong bang khan cap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh ((((trung va) or (trang va))) or (truong cao)) thong cong bang khan cap*.