Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
bang cong » dang cong, bang song, hang cong
van thanh » ban thanh, van tuan
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
tai bang » thai bang, tai ban, hai bang
van toan » van tuan, van tan, manh toan

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - hanh doanh tai bang cong ((van toan) OR (van thanh)) cao~".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - hanh doanh tai bang cong ((van toan) OR (van thanh)) cao*.