Perhaps you should try some spelling variations:
trong thuat » trong hoat, trong thu, trong phat
trung thuc » trong thuc, trang thuc, thuong thuc
thong cong » trong cong, tong cong, thong thong
hien sach » dien sach, kien sach, thien hach
cong san » cong tac
san toan » van toan, dan toan, manh 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: hoc hien sach - hanh ((trung thuc) or (trong thuat)) thong cong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - hanh ((trung thuc) OR (trong thuat)) thong cong san toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - hanh ((trung thuc) or (trong thuat)) thong cong san toan tap*.