Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, hieu cach
chieu xanh » chieu sang, chieu tinh, hieu manh
nhung cong » dung cong, thong cong, hang cong
hanh dinh » thanh dinh, hinh dinh, hanh tinh
cua nhung » va nhung
dinh cua » dinh cuu, sinh cua, dinh cu
cong van » cong vang, cong san, song van
van tan » van tuan, van ban, van tai
tan cau » toan cau, van cau, tan ca

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 (chieu xanh))) or (chiet tach)) - hanh dinh cua nhung cong van tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chieu sach) OR (chieu xanh))) OR (chiet tach)) - hanh dinh cua nhung cong van tan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((chieu sach) OR (chieu xanh))) or (chiet tach)) - hanh dinh cua nhung cong van tan cau*".