Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, truong thanh
thong cong » trong cong, tong cong, thong thong
tran tuan » tran xuan, tran quang, tran thanh
chu sach » cau sach, thu sach, chuc hach
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu sach) or (chieu sach)) - thanh ((trung tuan) or (tran tuan)) thong cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu sach) OR (chieu sach)) - thanh ((trung tuan) OR (tran tuan)) thong cong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chu sach) or (chieu sach)) - thanh ((trung tuan) or (tran tuan)) thong cong dan phan cau*.