Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
cong vang » cong lang, cong quang, cong ngang
vang tuan » van tuan, vong tuan, quang tuan
chu xanh » chu manh, chieu xanh, chua xang
anh tang » anh bang, anh dang, anh nang
va thong » va thuong, va phuong, he thong
tuan cau » toan cau, quan cau, tuan cu
tang va » trang va, tang van, thang va

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) OR (chieu sach)) - anh tang va thong cong vang tuan cau~".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) OR (chieu sach)) - anh tang va thong cong vang tuan cau*.