Perhaps you should try some spelling variations:
thanh trung » thanh tung
thong trong » thuong trong, thong thong, thong thuong
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
trung tham » trung tam, trung thanh, trung thang
tham thong » pham thuong, than thuong, thoai thong
trong vinh » trong kinh, trong sinh, trong linh
vinh toan » tinh toan, hinh toan, minh 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: doi ((chieu xanh) OR (chieu sach)) - thanh trung tham thong trong vinh toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) OR (chieu sach)) - thanh trung tham thong trong vinh toan cau".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) OR (chieu sach)) - thanh trung tham thong trong vinh toan cau*.