Perhaps you should try some spelling variations:
trong chuan » thong chuan, trong chan, trong thuan
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
manh trong » manh truong, anh trong, manh trung
chuan dong » chua dong, chuan long, chuyen dong
dong cong » duong cong, dung cong, dang cong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
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 ((chieu xanh) or (chieu sach)) - manh trong chuan dong cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - manh trong chuan dong cong dan than cau*.