Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chieu xanh » chieu sach, chieu sang, chieu tinh
cua nhung » va nhung
cong tinh » cong trinh, cong vinh, long tinh
anh tang » anh dang, anh nang, anh sang
anh bang » anh hoang, anh quang, tinh bang
toan cao » toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chinh sach)) - ((anh tang) OR (anh bang)) cua nhung cong tinh toan cao~.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chinh sach)) - ((anh tang) or (anh bang)) cua nhung cong tinh toan cao*.