Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chu xanh » chu manh, chieu xanh, chua xang
anh bang » anh hoang, anh quang, tinh bang
san toan » dan toan, manh toan, xuan toan
van toan » van tuan, van tan, van thanh
bang va » hang va, ban va, trang va
chuc » thuc, chua, phuc

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: theo ((chu xanh) OR (chuc nang)) - anh bang va nhung cong ((san toan) OR (van toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) or (chuc nang)) - anh bang va nhung cong ((san toan) OR (van toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) or (chuc nang)) - anh bang va nhung cong ((san toan) OR (van toan)) cau*.