Perhaps you should try some spelling variations:
thanh duong » thanh huong, thanh cuong, thanh vuong
chieu sang » chieu sach, chieu xanh, hieu lang
thanh ban » thanh san, thanh van, thanh bac
cong bang » cuong bang, dong bang, hong bang
bang phan » nang phan, bang nhan, bang thanh
ho chieu » theo chieu, hoc thieu, doi chieu
phan cau » phan dau, phan cac, phan tu

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 sang - thanh ban ((thanh duong) or (thanh cong)) cong bang phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh ban ((thanh duong) OR (thanh cong)) cong bang phan cau*.