Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
trung cua » truong cua, trung tuan, trung cap
nong cong » cong cong, tong cong, dong cong
nang cong » nang song, dang cong, bang cong
dan phan » doan phan, dan chan, van phan

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) or (chiet tach)) - thanh trung cua ((nong cong) OR (nang cong)) dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chiet tach)) - thanh trung cua ((nong cong) OR (nang cong)) dan phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chiet tach)) - thanh trung cua ((nong cong) OR (nang cong)) dan phan tu".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chiet tach)) - thanh trung cua ((nong cong) OR (nang cong)) dan phan tu*.