Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
dung quang » dang quang, dung quan, luong quang
quang dung » quang trung, ung dung, cuong dung
hanh dung » thanh dung, anh dung, hanh dong
dung cong » dung trong
chu xanh » chu manh, chieu xanh, chua xang
cong san » cong tac
luan cau » lua cau, luat cau, luan chat
quan cau » quang cao, toan cau, quan ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao ((chu xanh) or (chieu sach)) - hanh dung quang dung cong san ((luan cau) OR (quan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chu xanh) OR (chieu sach)) - hanh dung quang dung cong san ((luan cau) OR (quan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao ((chu xanh) or (chieu sach)) - hanh dung quang dung cong san ((luan cau) OR (quan cau))".
• Adding a wildcard symbol may retrieve word variants: chao ((chu xanh) or (chieu sach)) - hanh dung quang dung cong san ((luan cau) OR (quan cau))*.