Perhaps you should try some spelling variations:
chua xang » chua nang, chuc nang, chu bang
thanh son » thanh san, thanh cong, thanh toan
khanh son » nhanh song, thanh san, khanh hoa
tong cong » trong cong, cong cong, dung cong
cong tinh » cong trinh, cong vinh, long tinh
chu xanh » chu manh, chieu xanh, chuc danh
cua tong » cua cong, cua dong, cua nong
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu xanh) OR (chua xang)) - ((thanh son) OR (khanh son)) cua tong cong tinh toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) OR (chua xang)) - ((thanh son) OR (khanh son)) cua tong cong tinh toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) OR (chua xang)) - ((thanh son) OR (khanh son)) cua tong cong tinh toan cao*.