Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trung cua » truong cua, trung tuan, trung cap
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
cong tan » cong tac, cong san, cong thanh
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap
tinh » trinh, dinh, minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((diep tinh) or (chieu sang)) - thanh trung cua bang cong tan ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((diep tinh) OR (chieu sang)) - thanh trung cua bang cong tan ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho ((diep tinh) or (chieu sang)) - thanh trung cua bang cong tan ((toan cau) or (toan cao))*.