Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh dung » thanh duong, thanh tung, thanh hung
nhung cong » dung cong, thong cong, hang cong
hanh dung » anh dung, hanh dong, manh dung
cua nhung » va nhung
cong san » cong tac
san phan » san pham, van phan, sat phan

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 (chieu tinh)) - ((hanh dung) OR (thanh dung)) cua nhung cong san phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu tinh)) - ((hanh dung) OR (thanh dung)) cua nhung cong san phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (chieu tinh)) - ((hanh dung) OR (thanh dung)) cua nhung cong san phan tu".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu tinh)) - ((hanh dung) OR (thanh dung)) cua nhung cong san phan tu*.