Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
cong thanh » dong thanh, cong trinh, cong tan
thanh than » thanh thanh, thanh thang, thanh toan
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung cap, dung cua
than cap » khan cap, thanh lap, thanh cac

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 cua) or (trung tuan)) phuong cong thanh than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh ((trung cua) OR (trung tuan)) phuong cong thanh than cap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh ((trung cua) or (trung tuan)) phuong cong thanh than cap*.