Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
trung phan » trung thanh, trung ha, dung phan
doi chieu » doc hieu, doi chi, ho chieu
phan tong » phan trong, phan cong, han tong
tong cong » trong cong, cong cong, dung cong
cong tan » cong tac, cong san, cong thanh
phan cac » nhan cach, phan dau, phan lap

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 phan tong cong tan ((phan cac) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh trung phan tong cong tan ((phan cac) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh trung phan tong cong tan ((phan cac) or (phan tu))*.