Perhaps you should try some spelling variations:
chiet tach » chieu sach
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
tranh va » tranh van, trang va, trinh va
cong san » cong tac
san phan » san pham, van phan, sat phan
phan lap » phan dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((dieu hanh) or (chieu xanh))) or (chiet tach)) - canh tranh va nhung cong san phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((dieu hanh) OR (chieu xanh))) OR (chiet tach)) - canh tranh va nhung cong san phan lap.
• Adding a wildcard symbol may retrieve word variants: ho ((((dieu hanh) or (chieu xanh))) or (chiet tach)) - canh tranh va nhung cong san phan lap*.