Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu xanh » chieu sach, chieu sang, chieu tinh
anh hoang » thanh hoang, minh hoang, tnhh hoang
chu xanh » chu manh, chua xang, chuc danh
anh tang » anh bang, anh dang, anh nang
cong tac » cong ty
tac vang » cac van, tac dung, tac dong
vang ban » van ban, hang ban, nang ban

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 (chieu xanh)) - ((anh tang) OR (anh hoang)) va thuong cong tac vang ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu xanh) OR (chieu xanh)) - ((anh tang) or (anh hoang)) va thuong cong tac vang ban~".
• Adding a wildcard symbol may retrieve word variants: theo ((chu xanh) OR (chieu xanh)) - ((anh tang) or (anh hoang)) va thuong cong tac vang ban*.