Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
theo chua » theo chu, ho chua, cheo cua
chua xang » chua nang, chuc nang, chu bang
anh tang » anh dang, anh nang, anh sang
anh bang » anh hoang, anh quang, tinh bang
va thong » va thuong, va phuong, he thong
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.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chua xang - ((anh tang) or (anh bang)) va thong cong tac vang ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chua xang - ((anh tang) OR (anh bang)) va thong cong tac vang ban.
• Adding a wildcard symbol may retrieve word variants: theo chua xang - ((anh tang) or (anh bang)) va thong cong tac vang ban*.