Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
thieu xanh » thien anh, thien danh
hieu manh » hieu nganh, dieu hanh, hien hanh
trung vat » trung va, trung van, trong vat
dung cong » dung trong
vat dung » van dung, va dung, viet dung
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((((thieu xanh) OR (hieu manh))) OR (chieu xanh)) - thanh trung vat dung cong tan phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((((thieu xanh) OR (hieu manh))) or (chieu xanh)) - thanh trung vat dung cong tan phan tu~".
• Adding a wildcard symbol may retrieve word variants: toc ((((thieu xanh) OR (hieu manh))) or (chieu xanh)) - thanh trung vat dung cong tan phan tu*.