Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
bang cong » dang cong, bang song, hang cong
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
va bang » va nang, va lang, va ban

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 - ((canh tranh) or (thanh trung)) va bang cong dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((canh tranh) OR (thanh trung)) va bang cong dan phan tu*.