Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
dung huong » dung thuong, dung phuong, dong huong
trung vat » trung va, trung van, trong vat
ho chieu » theo chieu, hoc thieu, doi chieu
vat dung » van dung, va dung, viet dung
dan than » dan chan, ban than, van than
van toan » van tuan, van tan, van thanh

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 vat dung huong ((dan than) or (van toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung vat dung huong ((dan than) OR (van toan)) cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung vat dung huong ((dan than) or (van toan)) cao*.