Perhaps you should try some spelling variations:
nhanh song » nhanh dong, nhanh chong, phan song
song quang » cong quang, hong quang, dong quang
quang dung » quang trung, ung dung, cuong dung
chi danh » chi dan, chi anh, chi dinh
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
toan ban » van ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi danh - nhanh song quang dung ((cong dan) or (cong tac)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi danh - nhanh song quang dung ((cong dan) OR (cong tac)) toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chi danh - nhanh song quang dung ((cong dan) or (cong tac)) toan ban*.