Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
thong tan » thong than, thong tran, thong tin
tan toan » tan tran, tap toan, van toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((dieu hanh) or (chieu sach)) - thanh trung cua thong thong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((dieu hanh) OR (chieu sach)) - thanh trung cua thong thong tan toan tap*.