Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh toan » thanh hoa, thanh san, tinh toan
thong cong » trong cong, thong thong, phong chong
doi chieu » doc hieu, doi chi, ho chieu
thanh tra » thanh hoa
tong cong » trong cong, cong cong, dung cong
dan khan » dan khanh, dan chan, dan than
khan cap » khan ap, than cap, khoan cam

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 tra) or (thanh toan)) toan ((thong cong) OR (tong cong)) dan khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - ((thanh tra) OR (thanh toan)) toan ((thong cong) OR (tong cong)) dan khan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - ((thanh tra) or (thanh toan)) toan ((thong cong) OR (tong cong)) dan khan cap".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - ((thanh tra) or (thanh toan)) toan ((thong cong) OR (tong cong)) dan khan cap*.