Perhaps you should try some spelling variations:
chiet tach » chieu sach
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
cong san » cong tac
san phan » san pham, van phan, sat phan
phan cac » nhan cach, phan dau, phan lap

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 cua thong cong san phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((dieu hanh) OR (chieu xanh))) OR (chiet tach)) - canh tranh cua thong cong san phan cac.
• Adding a wildcard symbol may retrieve word variants: ho ((((dieu hanh) or (chieu xanh))) or (chiet tach)) - canh tranh cua thong cong san phan cac*.