Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
cong thanh » dong thanh, cong trinh, cong tan
nhan dang » nhan dan, phan dang, tran dang
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh bang, anh dang, anh nang
va thong » va thuong, va phuong, he thong
san cao » san co, san cho, san bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - ((anh tang) or (nhan dang)) va thong cong thanh san cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((anh tang) OR (nhan dang)) va thong cong thanh san cao*.