Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
chu xanh » chu manh, chieu xanh, chua xang
tang cua » mang cua, hang cua, tang luan
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong ty
toan cao » toan ban, toan tap
cho chu » cho thue

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: cho chu xanh - hanh tang cua nhung ((cong dan) OR (((cong thanh) OR (cong tan)))) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho chu xanh - hanh tang cua nhung ((cong dan) or (((cong thanh) OR (cong tan)))) toan cao~".
• Adding a wildcard symbol may retrieve word variants: cho chu xanh - hanh tang cua nhung ((cong dan) or (((cong thanh) OR (cong tan)))) toan cao*.