Perhaps you should try some spelling variations:
luong tiet » luong thiet, luong viet, luong tien
trinh xay » trinh ky
dung lang » dung dang, dung nang, dung land
lang cao » nang cao, lang co, quang cao
ke quang » khe quang, ke quan, de quang
le quang » vu quang
chat » nhat, 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 lang cao chat luong tiet ((ke quang) OR (le quang)) yen~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cong trinh xay dung lang cao chat luong tiet ((ke quang) OR (le quang)) yen".
• Adding a wildcard symbol may retrieve word variants: cong trinh xay dung lang cao chat luong tiet ((ke quang) OR (le quang)) yen*.