Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
tuong qua » tuong quan, duong qua, thong qua
dung cong » dung trong
qua dung » quang dung, su dung, qua song
tan ran » tan van, tan san, tan rao

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) or (chieu sach)) - thanh tuong qua dung cong ((tan ran) or (tan tran)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu sach)) - thanh tuong qua dung cong ((tan ran) OR (tan tran)) cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chieu sach)) - thanh tuong qua dung cong ((tan ran) or (tan tran)) cau*.