Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tran » thanh trang, thanh tra, thanh tuan
thong cong » trong cong, tong cong, thong thong
thanh toan » thanh hoa, thanh san, tinh toan
doi chieu » doc hieu, doi chi, ho chieu
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
tran van » luan van
toan cao » toan ban, toan tap

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 tran van ((thong cong) or (((hang cong) or (dang cong)))) thanh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh tran van ((thong cong) OR (((hang cong) OR (dang cong)))) thanh toan cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh tran van ((thong cong) or (((hang cong) or (dang cong)))) thanh toan cao*.