Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
thanh tran » thanh trang, thanh tra, thanh tuan
thanh toan » thanh hoa, thanh san, tinh toan
nang dung » dang dung, nang dong, rang dung
dung cong » dung trong
cong van » cong vang, cong san, song van
van quan » van ban
quan tap » quan tai, quan lap, quan tam

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 xanh) or (chieu sach)) - ((thanh tran) OR (thanh toan)) nang dung cong van quan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - ((thanh tran) OR (thanh toan)) nang dung cong van quan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chieu sach)) - ((thanh tran) OR (thanh toan)) nang dung cong van quan tap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sach)) - ((thanh tran) OR (thanh toan)) nang dung cong van quan tap*.