Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhiet nang » nhiet dong, nhieu tang, thien nang
viet nang » viet hoang, viet trang, viet nam
canh sinh » canh tinh, canh binh, tinh sinh
hang cong » dang cong, hang nong, bang cong
vat hang » van hang, dat hang, va hang
cong tac » cong ty
tac pham » thuc pham, san pham
pham dau » phan dau, pham dac, pham dat

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 (((nhiet nang) OR (viet nang)))) - canh sinh vat hang cong tac pham dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (((nhiet nang) OR (viet nang)))) - canh sinh vat hang cong tac pham dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (((nhiet nang) OR (viet nang)))) - canh sinh vat hang cong tac pham dau".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (((nhiet nang) OR (viet nang)))) - canh sinh vat hang cong tac pham dau*.