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

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