Perhaps you should try some spelling variations:
trung thanh » truong thanh
thanh tung » thanh cong
dieu tinh » diep tinh, lieu tinh, kieu tinh
dien tinh » diep tinh, bien tinh, dien hinh
tung cong » dung cong, tong cong, truong cong
sang than » cang thang, dang thanh, ban than
sang tao » hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((dieu tinh) or (dien tinh)) - thanh trung thanh tung cong ((sang than) or (sang tao)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((dieu tinh) OR (dien tinh)) - thanh trung thanh tung cong ((sang than) OR (sang tao)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((dieu tinh) or (dien tinh)) - thanh trung thanh tung cong ((sang than) or (sang tao)) cau*.