Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, kieu tinh
chieu sang » chieu sach, chieu xanh, hieu lang
chau tinh » cuu tinh, ha tinh, cua tinh
dung cong » dung trong
tranh va » tranh van, trang va, trinh va
cong san » cong tac
san phan » san pham, van phan, sat phan
va dung » van dung, va duong, vat dung

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 tinh) or (chau tinh))) or (chieu sang)) - canh tranh va dung cong san phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu tinh) OR (chau tinh))) OR (chieu sang)) - canh tranh va dung cong san phan tu.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu tinh) or (chau tinh))) or (chieu sang)) - canh tranh va dung cong san phan tu*.