Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
canh dinh » canh tinh, anh dinh, canh binh
hang cong » dang cong, hang nong, bang cong
dinh van » sinh vat
van hang » van khang, van hoang, van thang
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
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: ho ((chieu sach) or (chinh sach)) - canh dinh van hang cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chinh sach)) - canh dinh van hang cong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chinh sach)) - canh dinh van hang cong dan phan cau*.