Perhaps you should try some spelling variations:
thong tuong » thong thuong, thong thong, thong duong
thanh trung » thanh tung
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
tuong tac » cong tac, luong tai, tuong lai
trung he » trung ha, trong he, trung hieu
quan ha » quan he

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 he thong tuong tac quan ha~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sach)) - thanh trung he thong tuong tac quan ha*.