Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu sach » chinh sach, chiet tach, chieu sang
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau
manh va » hanh va, anh va, minh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - lanh ((manh va) or (hang va)) thuong cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - lanh ((manh va) OR (hang va)) thuong cong dan chan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - lanh ((manh va) or (hang va)) thuong cong dan chan cau*.