Perhaps you should try some spelling variations:
nhanh lang » nhanh quang, nhanh thang, nhanh dong
nhan dang » nhan dan, phan dang, tran dang
dung cong » dung trong
tap quang » tap quan, tac quang, tai quang
quang cao » nang cao, quang nam
25 trieu » 30 trieu
cua dung » cua dang, cua dong, qua dung
cong tap » cuong tap, cong tac, cong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: 25 trieu tinh - ((((nhanh lang) or (nhan dang))) or (canh tranh)) cua dung cong tap quang cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 25 trieu tinh - ((((nhanh lang) OR (nhan dang))) OR (canh tranh)) cua dung cong tap quang cao.
• Adding a wildcard symbol may retrieve word variants: 25 trieu tinh - ((((nhanh lang) or (nhan dang))) or (canh tranh)) cua dung cong tap quang cao*.