Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu lang » chieu sang, hieu quang, nhieu tang
hanh tran » hanh trang, hanh tram, thanh trang
nang dung » dang dung, nang dong, rang dung
dung cong » dung trong
van thanh » ban thanh, van tuan
thanh tap » thanh lap, thanh tai, thanh tay
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: ho ((chieu xanh) or (hieu lang)) - ((hanh tran) OR (thanh tran)) nang dung cong van thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (hieu lang)) - ((hanh tran) OR (thanh tran)) nang dung cong van thanh tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (hieu lang)) - ((hanh tran) OR (thanh tran)) nang dung cong van thanh tap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (hieu lang)) - ((hanh tran) OR (thanh tran)) nang dung cong van thanh tap*.