Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
toc chieu » toc thieu, doc hieu, hoc thieu
trung cuu » trung cua, trung cau, truong cua
cuu nong » cuu cong, cuu nang, cuu tong
cong tac » cong ty
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc chieu xanh - thanh trung cuu nong ((cong san) OR (cong tac)) chan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc chieu xanh - thanh trung cuu nong ((cong san) OR (cong tac)) chan cau".
• Adding a wildcard symbol may retrieve word variants: toc chieu xanh - thanh trung cuu nong ((cong san) OR (cong tac)) chan cau*.