Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh tang » hanh trang, anh tang, hanh mang
cong dang » cong dong, cong dan, cong dung
tang cua » mang cua, hang cua, tang luan
dang van » hoang van, hang va
van toan » van tuan, van tan, van thanh
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: theo ((chieu sach) or (lieu tinh)) - hanh tang cua cong dang van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (lieu tinh)) - hanh tang cua cong dang van toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (lieu tinh)) - hanh tang cua cong dang van toan cau*.