Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
cuong dung » tuong duong, ung dung
thong dung » thong cong, thong thuong
trong quan » thong quan, tong quan, thong quang
quan toan » quang toan, quan doan, xuan toan
toan cau » toan cao, toan ban, toan tap

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) OR (chieu sang)) - thanh trung ((cuong dung) or (thong dung)) trong quan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((chieu xanh) OR (chieu sang)) - thanh trung ((cuong dung) OR (thong dung)) trong quan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((chieu xanh) OR (chieu sang)) - thanh trung ((cuong dung) or (thong dung)) trong quan toan cau".
• Adding a wildcard symbol may retrieve word variants: toc ((chieu xanh) OR (chieu sang)) - thanh trung ((cuong dung) or (thong dung)) trong quan toan cau*.