Perhaps you should try some spelling variations:
thanh thanh » nhanh thanh, thanh phan, phan thanh
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trung duoc » trung quoc, trong duoc, thuong duoc
thanh toan » thanh hoa, thanh san, tinh toan
doc chieu » doc hieu, doi chieu, toc thieu
duoc dung » duc dung, duoc dong, quoc dung
dung cong » dung trong

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

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