Perhaps you should try some spelling variations:
trung thanh » truong thanh
thong tuong » thong thuong, thong thong, thong duong
chieu xanh » chieu sach, chieu sang, chieu tinh
trung phan » trung ha, dung phan, trung tuan
trung phat » truong phat, trong phat, trung nhat
tuong den » huong den, tuong dan, thong den
ho chieu » theo chieu, hoc thieu, doi chieu
den toan » dien toan, dan toan, den tran
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - thanh ((((trung phan) or (trung thanh))) or (trung phat)) thong tuong den toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((((trung phan) OR (trung thanh))) OR (trung phat)) thong tuong den toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((((trung phan) or (trung thanh))) or (trung phat)) thong tuong den toan ban*.