Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
tieu xanh » chieu xanh, dieu hanh, tien anh
tieu danh » dieu danh, tiep danh, thien danh
dung cong » dung trong
trinh ve » trinh he, trinh va, trinh vi
cong san » cong tac
san phan » san pham, van phan, sat phan
phan cau » phan dau, phan cac, phan tu
ve dung » ve duong, ve rung, va dung

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu xanh) OR (tieu danh)) - canh trinh ve dung cong san phan cau~".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) OR (tieu danh)) - canh trinh ve dung cong san phan cau*.