Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu sach » chiet tach, chieu sang, chieu xanh
hanh trang » thanh trung, canh tranh, hanh trinh
va phuong » va thuong, cac phuong
trang va » tran van, hang va
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: ho ((chieu sach) OR (chinh sach)) - hanh trang va phuong cong dan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) OR (chinh sach)) - hanh trang va phuong cong dan toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) OR (chinh sach)) - hanh trang va phuong cong dan toan cau*.