Perhaps you should try some spelling variations:
thuong cong » thuong con, thuong dong, truong cong
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
chuc danh » chuc nganh, thuc hanh, chuc nang
bang luat » bang luan, tang luat, nang suat
anh bang » anh hoang, anh quang, tinh bang
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc danh) OR (chieu sach)) - anh bang luat ((thuong cong) OR (thong cong)) dan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chuc danh) or (chieu sach)) - anh bang luat ((thuong cong) OR (thong cong)) dan toan cao~".
• Adding a wildcard symbol may retrieve word variants: theo ((chuc danh) or (chieu sach)) - anh bang luat ((thuong cong) OR (thong cong)) dan toan cao*.