Perhaps you should try some spelling variations:
thanh huong » thanh hung, thanh cong, thanh tung
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
dung cong » dung trong
qua dung » quang dung, su dung, qua song
cong van » cong vang, cong san, song van
van can » van canh, van ban, ban can
can ban » van ban, toan ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sang)) - ((thanh huong) OR (anh huong)) qua dung cong van can ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (chieu sang)) - ((thanh huong) OR (anh huong)) qua dung cong van can ban~".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu sang)) - ((thanh huong) OR (anh huong)) qua dung cong van can ban*.