Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
thong cong » trong cong, tong cong, thong thong
cong thanh » dong thanh, cong trinh, cong tan
thanh phan » thanh pho, thanh san, thanh toan
canh manh » lanh manh, canh tranh, cach mang
cua thong » cua thuong, cua khong, cua tong
manh cua » doanh cua, ban cua
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sach) OR (chiet tach)) - canh manh cua thong cong thanh phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) OR (chiet tach)) - canh manh cua thong cong thanh phan cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) OR (chiet tach)) - canh manh cua thong cong thanh phan cau*.