Perhaps you should try some spelling variations:
thuong thuat » thuong thuyet, thuong thuc, trong thuat
trung thuat » trong thuat, trung tuan, trung thuc
thong cuong » thong chuong, thong cong, thong cung
chieu sach » chinh sach, chiet tach, chieu sang
hoc chieu » hoc thieu, ho chieu, hoc hien
danh toan » manh toan, anh toan, dang toan
dan toan » van toan, dan than, manh toan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh ((trung thuat) or (thuong thuat)) thong cuong ((danh toan) OR (dan toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((trung thuat) OR (thuong thuat)) thong cuong ((danh toan) OR (dan toan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - hanh ((trung thuat) or (thuong thuat)) thong cuong ((danh toan) OR (dan toan)) cao".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((trung thuat) or (thuong thuat)) thong cuong ((danh toan) OR (dan toan)) cao*.