Perhaps you should try some spelling variations:
luong tiet » luong thiet, luong viet, luong tien
trinh xay » trinh ky
dung lan » dung luan, dung land, dung lam
cao nhat » cap nhat, cao nhan, cho nha
ke quang » khe quang, le quang, de quang
ke quan » ve quan, te quan, he quan
chat » phat

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

• Performing a fuzzy search may retrieve terms with similar spellings: cong trinh xay dung lan ((cao nhat) or (cao chat)) luong tiet ((ke quang) OR (ke quan)) yen~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cong trinh xay dung lan ((cao nhat) OR (cao chat)) luong tiet ((ke quang) OR (ke quan)) yen.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cong trinh xay dung lan ((cao nhat) or (cao chat)) luong tiet ((ke quang) OR (ke quan)) yen".
• Adding a wildcard symbol may retrieve word variants: cong trinh xay dung lan ((cao nhat) or (cao chat)) luong tiet ((ke quang) OR (ke quan)) yen*.