Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chua xang » chua nang, chuc nang, chu bang
doanh cua » doanh luan
chu xanh » chu manh, chieu xanh, chuc danh
manh cua » ban cua
cong tan » cong tac, cong san, cong thanh
tran cao » toan cao, tran chau, trang cho

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 (chua xang)) - canh ((manh cua) OR (doanh cua)) nhung cong tan tran cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) OR (chua xang)) - canh ((manh cua) or (doanh cua)) nhung cong tan tran cao~".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) OR (chua xang)) - canh ((manh cua) or (doanh cua)) nhung cong tan tran cao*.