Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
cong quang » luong quang, thong quang, duong quang
quang toan » quang tuan, quang tran, quang doan
hanh tang » hanh trang, anh tang, hanh mang
cua thong » cua thuong, cua khong, cua tong
chi sach » chinh sach, co sach, moi sach
tang cua » mang cua, hang cua, tang luan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi sach) or (chieu sach)) - hanh tang cua thong cong quang toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi sach) OR (chieu sach)) - hanh tang cua thong cong quang toan cau.
• Adding a wildcard symbol may retrieve word variants: doi ((chi sach) or (chieu sach)) - hanh tang cua thong cong quang toan cau*.