Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
trung toan » truong toan, trung tuan, trung tran
thong tang » thong mang, thong nang, trong tang
hieu manh » hieu nganh, dieu hanh, hien hanh
tang tai » hang tai, dung tai, sang tao
tai tap » bai tap, tai tao, hai 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 ((hieu manh) or (chieu xanh)) - thanh trung toan thong thong tang tai tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu manh) OR (chieu xanh)) - thanh trung toan thong thong tang tai tap.
• Adding a wildcard symbol may retrieve word variants: toc ((hieu manh) or (chieu xanh)) - thanh trung toan thong thong tang tai tap*.