Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
van thanh » ban thanh, van tuan
thanh cao » thanh ca, thanh cac, thanh thao
tam dung » tam duong, tac dung, am dung
tan dung » tran dung, tin dung, van dung
cong van » cong vang, cong san, song van

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - ((thanh trung) OR (thanh tung)) ((tam dung) or (tan dung)) cong van thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((thanh trung) OR (thanh tung)) ((tam dung) OR (tan dung)) cong van thanh cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - ((thanh trung) OR (thanh tung)) ((tam dung) or (tan dung)) cong van thanh cao".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((thanh trung) OR (thanh tung)) ((tam dung) or (tan dung)) cong van thanh cao*.