Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
dang cong » dung cong
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan
tinh vat » trinh vat, sinh vat, dinh vat
phan cau » phan dau, phan cac, phan tu
tinh va » tich va, trinh van, trinh vat

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 ((tinh va) or (tinh vat)) dang cong doan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chinh sach)) - canh ((tinh va) OR (tinh vat)) dang cong doan phan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chinh sach)) - canh ((tinh va) or (tinh vat)) dang cong doan phan cau*.