Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu sach » chinh sach, chiet tach, chieu sang
trong dong » trong cong, trong nong, trong dang
hieu lang » chieu sang, hieu quang, nhieu tang
dong bang » dong san
bang than » bang thanh, ban than, sang than
tuong va » truong va, thuong va, luong va
va trong » va truong, va thong, va tuong
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (chieu sach)) - thanh tuong va trong dong bang than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu sach)) - thanh tuong va trong dong bang than cau.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu sach)) - thanh tuong va trong dong bang than cau*.