Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
tung pham » hung pham, nhung pham, trung phan
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
than cap » khan cap, thanh lap, thanh cac
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: doi chieu sach - thanh tung pham ((hang cong) OR (dang cong)) dan ((than cap) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh tung pham ((hang cong) OR (dang cong)) dan ((than cap) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh tung pham ((hang cong) OR (dang cong)) dan ((than cap) or (phan cau))".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh tung pham ((hang cong) OR (dang cong)) dan ((than cap) or (phan cau))*.